20100010122212 has 24 divisors (see below), whose sum is σ = 35851225008312. Its totient is φ = 9856935545600.

The previous prime is 20100010122211. The next prime is 20100010122223. The reversal of 20100010122212 is 21222101000102.

It can be written as a sum of positive squares in 4 ways, for example, as 450152432356 + 19649857689856 = 670934^2 + 4432816^2 .

It is not an unprimeable number, because it can be changed into a prime (20100010122211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15963089 + ... + 17176152.

It is an arithmetic number, because the mean of its divisors is an integer number (1493801042013).

Almost surely, 2^{20100010122212} is an apocalyptic number.

It is an amenable number.

20100010122212 is a deficient number, since it is larger than the sum of its proper divisors (15751214886100).

20100010122212 is a wasteful number, since it uses less digits than its factorization.

20100010122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33142159 (or 33142157 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100010122212 its reverse (21222101000102), we get a palindrome (41322111122314).

The spelling of 20100010122212 in words is "twenty trillion, one hundred billion, ten million, one hundred twenty-two thousand, two hundred twelve".