12021000023202 has 16 divisors (see below), whose sum is σ = 24043729480320. Its totient is φ = 4006711768752.

The previous prime is 12021000023173. The next prime is 12021000023237. The reversal of 12021000023202 is 20232000012021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71969377 + ... + 72136212.

It is an arithmetic number, because the mean of its divisors is an integer number (1502733092520).

Almost surely, 2^{12021000023202} is an apocalyptic number.

12021000023202 is an abundant number, since it is smaller than the sum of its proper divisors (12022729457118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12021000023202 is a wasteful number, since it uses less digits than its factorization.

12021000023202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144119497.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12021000023202 its reverse (20232000012021), we get a palindrome (32253000035223).

The spelling of 12021000023202 in words is "twelve trillion, twenty-one billion, twenty-three thousand, two hundred two".