2012155466231 has 16 divisors (see below), whose sum is σ = 2072887407360. Its totient is φ = 1952009104320.

The previous prime is 2012155466227. The next prime is 2012155466287. The reversal of 2012155466231 is 1326645512102.

It is a cyclic number.

It is not a de Polignac number, because 2012155466231 - 2² = 2012155466227 is a prime.

It is a super-2 number, since 2×2012155466231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012155466201) 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, 5083190 + ... + 5464716.

It is an arithmetic number, because the mean of its divisors is an integer number (129555462960).

Almost surely, 2^{2012155466231} is an apocalyptic number.

2012155466231 is a deficient number, since it is larger than the sum of its proper divisors (60731941129).

2012155466231 is a wasteful number, since it uses less digits than its factorization.

2012155466231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382294.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 2012155466231 in words is "two trillion, twelve billion, one hundred fifty-five million, four hundred sixty-six thousand, two hundred thirty-one".