20221202012212 has 6 divisors (see below), whose sum is σ = 35387103521378. Its totient is φ = 10110601006104.

The previous prime is 20221202012057. The next prime is 20221202012227. The reversal of 20221202012212 is 21221020212202.

It can be written as a sum of positive squares in only one way, i.e., 12104651722276 + 8116550289936 = 3479174^2 + 2848956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20221202012212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527650251523 + ... + 2527650251530.

Almost surely, 2^{20221202012212} is an apocalyptic number.

It is an amenable number.

20221202012212 is a deficient number, since it is larger than the sum of its proper divisors (15165901509166).

20221202012212 is a wasteful number, since it uses less digits than its factorization.

20221202012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055300503057 (or 5055300503055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20221202012212 its reverse (21221020212202), we get a palindrome (41442222224414).

The spelling of 20221202012212 in words is "twenty trillion, two hundred twenty-one billion, two hundred two million, twelve thousand, two hundred twelve".