12012021121022 has 8 divisors (see below), whose sum is σ = 19404034118616. Its totient is φ = 5544009748152.

The previous prime is 12012021120991. The next prime is 12012021121039. The reversal of 12012021121022 is 22012112021021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231000406148 + ... + 231000406199.

It is an arithmetic number, because the mean of its divisors is an integer number (2425504264827).

Almost surely, 2^{12012021121022} is an apocalyptic number.

12012021121022 is a deficient number, since it is larger than the sum of its proper divisors (7392012997594).

12012021121022 is a wasteful number, since it uses less digits than its factorization.

12012021121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462000812362.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012021121022 its reverse (22012112021021), we get a palindrome (34024133142043).

The spelling of 12012021121022 in words is "twelve trillion, twelve billion, twenty-one million, one hundred twenty-one thousand, twenty-two".