20122402012 has 12 divisors (see below), whose sum is σ = 36745256016. Its totient is φ = 9623757440.

The previous prime is 20122401973. The next prime is 20122402021. The reversal of 20122402012 is 21020422102.

It is a super-2 number, since 2×20122402012² (a number of 21 digits) contains 22 as substring.

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, 109360789 + ... + 109360972.

It is an arithmetic number, because the mean of its divisors is an integer number (3062104668).

Almost surely, 2^20122402012 is an apocalyptic number.

It is an amenable number.

20122402012 is a deficient number, since it is larger than the sum of its proper divisors (16622854004).

20122402012 is a wasteful number, since it uses less digits than its factorization.

20122402012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218721788 (or 218721786 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20122402012 its reverse (21020422102), we get a palindrome (41142824114).

The spelling of 20122402012 in words is "twenty billion, one hundred twenty-two million, four hundred two thousand, twelve".