231571601186212 has 12 divisors (see below), whose sum is σ = 463143202372480. Its totient is φ = 99244971936936.

The previous prime is 231571601186183. The next prime is 231571601186231. The reversal of 231571601186212 is 212681106175132.

It is a happy number.

231571601186212 is an admirable 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, 4135207164012 + ... + 4135207164067.

Almost surely, 2^{231571601186212} is an apocalyptic number.

It is an amenable number.

231571601186212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231571601186212 is a wasteful number, since it uses less digits than its factorization.

231571601186212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8270414328090 (or 8270414328088 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 231571601186212 in words is "two hundred thirty-one trillion, five hundred seventy-one billion, six hundred one million, one hundred eighty-six thousand, two hundred twelve".