212000012031 has 16 divisors (see below), whose sum is σ = 304941197664. Its totient is φ = 130509809664.

The previous prime is 212000012009. The next prime is 212000012033. The reversal of 212000012031 is 130210000212.

It is not a de Polignac number, because 212000012031 - 2⁵ = 212000011999 is a prime.

It is a super-2 number, since 2×212000012031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212000011998 and 212000012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000012033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39212986 + ... + 39218391.

It is an arithmetic number, because the mean of its divisors is an integer number (19058824854).

Almost surely, 2^212000012031 is an apocalyptic number.

212000012031 is a deficient number, since it is larger than the sum of its proper divisors (92941185633).

212000012031 is a wasteful number, since it uses less digits than its factorization.

212000012031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78431450.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 212000012031 its reverse (130210000212), we get a palindrome (342210012243).

The spelling of 212000012031 in words is "two hundred twelve billion, twelve thousand, thirty-one".