2012202210978 has 32 divisors (see below), whose sum is σ = 4472827982400. Its totient is φ = 670543943328.

The previous prime is 2012202210911. The next prime is 2012202210979. The reversal of 2012202210978 is 8790122022102.

2012202210978 is a `hidden beast` number, since 201 + 220 + 221 + 0 + 9 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (2012202210979) 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, 5088976 + ... + 5470107.

It is an arithmetic number, because the mean of its divisors is an integer number (139775874450).

Almost surely, 2^{2012202210978} is an apocalyptic number.

2012202210978 is an abundant number, since it is smaller than the sum of its proper divisors (2460625771422).

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

2012202210978 is a wasteful number, since it uses less digits than its factorization.

2012202210978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562623 (or 10562617 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 2012202210978 in words is "two trillion, twelve billion, two hundred two million, two hundred ten thousand, nine hundred seventy-eight".