211612700312 has 16 divisors (see below), whose sum is σ = 427294875840. Its totient is φ = 97667400096.

The previous prime is 211612700269. The next prime is 211612700329. The reversal of 211612700312 is 213007216112.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017368648 + ... + 1017368855.

It is an arithmetic number, because the mean of its divisors is an integer number (26705929740).

Almost surely, 2^211612700312 is an apocalyptic number.

It is an amenable number.

211612700312 is an abundant number, since it is smaller than the sum of its proper divisors (215682175528).

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

211612700312 is a wasteful number, since it uses less digits than its factorization.

211612700312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034737522 (or 2034737518 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 211612700312 its reverse (213007216112), we get a palindrome (424619916424).

The spelling of 211612700312 in words is "two hundred eleven billion, six hundred twelve million, seven hundred thousand, three hundred twelve".