212331030012 has 36 divisors (see below), whose sum is σ = 536827811520. Its totient is φ = 70763539392.

The previous prime is 212331030001. The next prime is 212331030029. The reversal of 212331030012 is 210030133212.

212331030012 is a `hidden beast` number, since 21 + 2 + 331 + 0 + 300 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368593 + ... + 748680.

Almost surely, 2^212331030012 is an apocalyptic number.

It is an amenable number.

212331030012 is an abundant number, since it is smaller than the sum of its proper divisors (324496781508).

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

212331030012 is a wasteful number, since it uses less digits than its factorization.

212331030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122562 (or 1122557 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212331030012 its reverse (210030133212), we get a palindrome (422361163224).

The spelling of 212331030012 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, twelve".