12021121111202 has 64 divisors (see below), whose sum is σ = 20866893062400. Its totient is φ = 5087456833536.

The previous prime is 12021121111189. The next prime is 12021121111339. The reversal of 12021121111202 is 20211112112021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716088653 + ... + 716105439.

It is an arithmetic number, because the mean of its divisors is an integer number (326045204100).

Almost surely, 2^{12021121111202} is an apocalyptic number.

12021121111202 is a deficient number, since it is larger than the sum of its proper divisors (8845771951198).

12021121111202 is a wasteful number, since it uses less digits than its factorization.

12021121111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18555.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12021121111202 its reverse (20211112112021), we get a palindrome (32232233223223).

The spelling of 12021121111202 in words is "twelve trillion, twenty-one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred two".