651012122832 has 20 divisors (see below), whose sum is σ = 1681781317440. Its totient is φ = 217004040928.

The previous prime is 651012122773. The next prime is 651012122837. The reversal of 651012122832 is 238221210156.

It is a junction number, because it is equal to n+sod(n) for n = 651012122793 and 651012122802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651012122837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6781376232 + ... + 6781376327.

It is an arithmetic number, because the mean of its divisors is an integer number (84089065872).

Almost surely, 2^651012122832 is an apocalyptic number.

It is an amenable number.

651012122832 is an abundant number, since it is smaller than the sum of its proper divisors (1030769194608).

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

651012122832 is a wasteful number, since it uses less digits than its factorization.

651012122832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13562752570 (or 13562752564 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 651012122832 its reverse (238221210156), we get a palindrome (889233332988).

The spelling of 651012122832 in words is "six hundred fifty-one billion, twelve million, one hundred twenty-two thousand, eight hundred thirty-two".