212102000031 has 16 divisors (see below), whose sum is σ = 296282436608. Its totient is φ = 134797608000.

The previous prime is 212102000009. The next prime is 212102000069. The reversal of 212102000031 is 130000201212.

It is not a de Polignac number, because 212102000031 - 2⁵ = 212101999999 is a prime.

It is a super-2 number, since 2×212102000031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212101999980 and 212102000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102000431) 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, 17013670 + ... + 17026131.

It is an arithmetic number, because the mean of its divisors is an integer number (18517652288).

Almost surely, 2^212102000031 is an apocalyptic number.

212102000031 is a deficient number, since it is larger than the sum of its proper divisors (84180436577).

212102000031 is a wasteful number, since it uses less digits than its factorization.

212102000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34039902.

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

Adding to 212102000031 its reverse (130000201212), we get a palindrome (342102201243).

The spelling of 212102000031 in words is "two hundred twelve billion, one hundred two million, thirty-one", and thus it is an aban number.