651349202120 has 64 divisors (see below), whose sum is σ = 1472554944000. Its totient is φ = 259292533248.

The previous prime is 651349202113. The next prime is 651349202131. The reversal of 651349202120 is 21202943156.

It is a super-2 number, since 2×651349202120² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35840396 + ... + 35858564.

It is an arithmetic number, because the mean of its divisors is an integer number (23008671000).

Almost surely, 2^651349202120 is an apocalyptic number.

It is an amenable number.

651349202120 is an abundant number, since it is smaller than the sum of its proper divisors (821205741880).

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

651349202120 is a wasteful number, since it uses less digits than its factorization.

651349202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422 (or 22418 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 651349202120 in words is "six hundred fifty-one billion, three hundred forty-nine million, two hundred two thousand, one hundred twenty".