20100000211212 has 24 divisors (see below), whose sum is σ = 47784906164016. Its totient is φ = 6573584974528.

The previous prime is 20100000211177. The next prime is 20100000211237. The reversal of 20100000211212 is 21211200000102.

It is a super-2 number, since 2×20100000211212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 15801886323 + ... + 15801887594.

It is an arithmetic number, because the mean of its divisors is an integer number (1991037756834).

Almost surely, 2^{20100000211212} is an apocalyptic number.

It is an amenable number.

20100000211212 is an abundant number, since it is smaller than the sum of its proper divisors (27684905952804).

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

20100000211212 is a wasteful number, since it uses less digits than its factorization.

20100000211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31603773977 (or 31603773975 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100000211212 its reverse (21211200000102), we get a palindrome (41311200211314).

The spelling of 20100000211212 in words is "twenty trillion, one hundred billion, two hundred eleven thousand, two hundred twelve".