1420204412121 has 8 divisors (see below), whose sum is σ = 2065751872224. Its totient is φ = 860729946720.

The previous prime is 1420204412111. The next prime is 1420204412149. The reversal of 1420204412121 is 1212144020241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1420204412121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420204412091 and 1420204412100.

It is not an unprimeable number, because it can be changed into a prime (1420204412101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21518248636 + ... + 21518248701.

It is an arithmetic number, because the mean of its divisors is an integer number (258218984028).

Almost surely, 2^{1420204412121} is an apocalyptic number.

1420204412121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420204412121 is a deficient number, since it is larger than the sum of its proper divisors (645547460103).

1420204412121 is a wasteful number, since it uses less digits than its factorization.

1420204412121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43036497351.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1420204412121 its reverse (1212144020241), we get a palindrome (2632348432362).

The spelling of 1420204412121 in words is "one trillion, four hundred twenty billion, two hundred four million, four hundred twelve thousand, one hundred twenty-one".