205012262712 has 32 divisors (see below), whose sum is σ = 515214074880. Its totient is φ = 67979631840.

The previous prime is 205012262711. The next prime is 205012262717. The reversal of 205012262712 is 217262210502.

It is a self number, because there is not a number n which added to its sum of digits gives 205012262712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205012262711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22357138 + ... + 22366305.

It is an arithmetic number, because the mean of its divisors is an integer number (16100439840).

Almost surely, 2^205012262712 is an apocalyptic number.

It is an amenable number.

205012262712 is an abundant number, since it is smaller than the sum of its proper divisors (310201812168).

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

205012262712 is a wasteful number, since it uses less digits than its factorization.

205012262712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44723643 (or 44723639 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 205012262712 in words is "two hundred five billion, twelve million, two hundred sixty-two thousand, seven hundred twelve".