212112311231002 has 64 divisors (see below), whose sum is σ = 393328728092160. Its totient is φ = 83541060854784.

The previous prime is 212112311230979. The next prime is 212112311231003. The reversal of 212112311231002 is 200132113211212.

It is a happy number.

212112311231002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212112311231003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43784203 + ... + 48386785.

It is an arithmetic number, because the mean of its divisors is an integer number (6145761376440).

Almost surely, 2^{212112311231002} is an apocalyptic number.

212112311231002 is a deficient number, since it is larger than the sum of its proper divisors (181216416861158).

212112311231002 is a wasteful number, since it uses less digits than its factorization.

212112311231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603727.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212112311231002 its reverse (200132113211212), we get a palindrome (412244424442214).

The spelling of 212112311231002 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred eleven million, two hundred thirty-one thousand, two".