20212111211012 has 48 divisors (see below), whose sum is σ = 41738076441600. Its totient is φ = 8380925107200.

The previous prime is 20212111210999. The next prime is 20212111211051. The reversal of 20212111211012 is 21011211121202.

It is a super-3 number, since 3×20212111211012³ (a number of 41 digits) contains 333 as substring.

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, 935864 + ... + 6426512.

It is an arithmetic number, because the mean of its divisors is an integer number (869543259200).

Almost surely, 2^{20212111211012} is an apocalyptic number.

It is an amenable number.

20212111211012 is an abundant number, since it is smaller than the sum of its proper divisors (21525965230588).

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

20212111211012 is a wasteful number, since it uses less digits than its factorization.

20212111211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494932 (or 5494930 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20212111211012 its reverse (21011211121202), we get a palindrome (41223322332214).

The spelling of 20212111211012 in words is "twenty trillion, two hundred twelve billion, one hundred eleven million, two hundred eleven thousand, twelve".