531057012703212 has 48 divisors (see below), whose sum is σ = 1270340548092000. Its totient is φ = 172567486371840.

The previous prime is 531057012703211. The next prime is 531057012703313. The reversal of 531057012703212 is 212307210750135.

It is not an unprimeable number, because it can be changed into a prime (531057012703211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418056337 + ... + 419324712.

It is an arithmetic number, because the mean of its divisors is an integer number (26465428085250).

Almost surely, 2^{531057012703212} is an apocalyptic number.

It is an amenable number.

531057012703212 is an abundant number, since it is smaller than the sum of its proper divisors (739283535388788).

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

531057012703212 is a wasteful number, since it uses less digits than its factorization.

531057012703212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837382386 (or 837382384 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 531057012703212 in words is "five hundred thirty-one trillion, fifty-seven billion, twelve million, seven hundred three thousand, two hundred twelve".