12020220201 has 32 divisors (see below), whose sum is σ = 17701032960. Its totient is φ = 7194916800.

The previous prime is 12020220197. The next prime is 12020220203. The reversal of 12020220201 is 10202202021.

It is not a de Polignac number, because 12020220201 - 2² = 12020220197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020220203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317666 + ... + 1326756.

It is an arithmetic number, because the mean of its divisors is an integer number (553157280).

Almost surely, 2^12020220201 is an apocalyptic number.

12020220201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12020220201 is a deficient number, since it is larger than the sum of its proper divisors (5680812759).

12020220201 is a wasteful number, since it uses less digits than its factorization.

12020220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9597.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020220201 its reverse (10202202021), we get a palindrome (22222422222).

It can be divided in two parts, 12020 and 220201, that added together give a triangular number (232221 = T₆₈₁).

The spelling of 12020220201 in words is "twelve billion, twenty million, two hundred twenty thousand, two hundred one".