51323653186212 has 72 divisors (see below), whose sum is σ = 132316657818912. Its totient is φ = 15355753296000.

The previous prime is 51323653186177. The next prime is 51323653186213. The reversal of 51323653186212 is 21268135632315.

It is not an unprimeable number, because it can be changed into a prime (51323653186213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30326289 + ... + 31973912.

It is an arithmetic number, because the mean of its divisors is an integer number (1837731358596).

Almost surely, 2^{51323653186212} is an apocalyptic number.

It is an amenable number.

51323653186212 is an abundant number, since it is smaller than the sum of its proper divisors (80993004632700).

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

51323653186212 is a wasteful number, since it uses less digits than its factorization.

51323653186212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62300377 (or 62300296 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The spelling of 51323653186212 in words is "fifty-one trillion, three hundred twenty-three billion, six hundred fifty-three million, one hundred eighty-six thousand, two hundred twelve".