20220120111212 has 48 divisors (see below), whose sum is σ = 40546543296000. Its totient is φ = 8643008195712.

The previous prime is 20220120111203. The next prime is 20220120111283. The reversal of 20220120111212 is 21211102102202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22002728 + ... + 22903280.

It is an arithmetic number, because the mean of its divisors is an integer number (844719652000).

Almost surely, 2^{20220120111212} is an apocalyptic number.

It is an amenable number.

20220120111212 is an abundant number, since it is smaller than the sum of its proper divisors (20326423184788).

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

20220120111212 is a wasteful number, since it uses less digits than its factorization.

20220120111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902670 (or 902668 counting only the distinct ones).

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

Adding to 20220120111212 its reverse (21211102102202), we get a palindrome (41431222213414).

The spelling of 20220120111212 in words is "twenty trillion, two hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".