651260345212 has 6 divisors (see below), whose sum is σ = 1139705604128. Its totient is φ = 325630172604.

The previous prime is 651260345191. The next prime is 651260345257. The reversal of 651260345212 is 212543062156.

651260345212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×651260345212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81407543148 + ... + 81407543155.

Almost surely, 2^651260345212 is an apocalyptic number.

It is an amenable number.

651260345212 is a deficient number, since it is larger than the sum of its proper divisors (488445258916).

651260345212 is a wasteful number, since it uses less digits than its factorization.

651260345212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162815086307 (or 162815086305 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 651260345212 in words is "six hundred fifty-one billion, two hundred sixty million, three hundred forty-five thousand, two hundred twelve".