1200402353345 has 48 divisors (see below), whose sum is σ = 1583796660480. Its totient is φ = 872832609792.

The previous prime is 1200402353291. The next prime is 1200402353347. The reversal of 1200402353345 is 5433532040021.

It is not a de Polignac number, because 1200402353345 - 2²⁶ = 1200335244481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200402353347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211001261 + ... + 211006949.

It is an arithmetic number, because the mean of its divisors is an integer number (32995763760).

Almost surely, 2^{1200402353345} is an apocalyptic number.

It is an amenable number.

1200402353345 is a deficient number, since it is larger than the sum of its proper divisors (383394307135).

1200402353345 is a wasteful number, since it uses less digits than its factorization.

1200402353345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514 (or 9501 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 1200402353345 its reverse (5433532040021), we get a palindrome (6633934393366).

The spelling of 1200402353345 in words is "one trillion, two hundred billion, four hundred two million, three hundred fifty-three thousand, three hundred forty-five".