121012212212022 has 16 divisors (see below), whose sum is σ = 242027113738752. Its totient is φ = 40336955851560.

The previous prime is 121012212211987. The next prime is 121012212212039. The reversal of 121012212212022 is 220212212210121.

121012212212022 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121012212212022.

It is a congruent 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, 111469578 + ... + 112549949.

It is an arithmetic number, because the mean of its divisors is an integer number (15126694608672).

Almost surely, 2^{121012212212022} is an apocalyptic number.

121012212212022 is an abundant number, since it is smaller than the sum of its proper divisors (121014901526730).

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

121012212212022 is a wasteful number, since it uses less digits than its factorization.

121012212212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224109563.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121012212212022 its reverse (220212212210121), we get a palindrome (341224424422143).

The spelling of 121012212212022 in words is "one hundred twenty-one trillion, twelve billion, two hundred twelve million, two hundred twelve thousand, twenty-two".