20210012111212 has 48 divisors (see below), whose sum is σ = 46688370236928. Its totient is φ = 7410852414720.

The previous prime is 20210012111209. The next prime is 20210012111279. The reversal of 20210012111212 is 21211121001202.

It is a super-2 number, since 2×20210012111212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929904248 + ... + 1929914719.

It is an arithmetic number, because the mean of its divisors is an integer number (972674379936).

Almost surely, 2^{20210012111212} is an apocalyptic number.

20210012111212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20210012111212 is an abundant number, since it is smaller than the sum of its proper divisors (26478358125716).

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

20210012111212 is a wasteful number, since it uses less digits than its factorization.

20210012111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859819006 (or 3859819004 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20210012111212 its reverse (21211121001202), we get a palindrome (41421133112414).

The spelling of 20210012111212 in words is "twenty trillion, two hundred ten billion, twelve million, one hundred eleven thousand, two hundred twelve".