212520501460 has 12 divisors (see below), whose sum is σ = 446293053108. Its totient is φ = 85008200576.

The previous prime is 212520501407. The next prime is 212520501497. The reversal of 212520501460 is 64105025212.

It can be written as a sum of positive squares in 2 ways, for example, as 116809467076 + 95711034384 = 341774^2 + 309372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5313012517 + ... + 5313012556.

It is an arithmetic number, because the mean of its divisors is an integer number (37191087759).

Almost surely, 2^212520501460 is an apocalyptic number.

212520501460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212520501460 is an abundant number, since it is smaller than the sum of its proper divisors (233772551648).

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

212520501460 is a wasteful number, since it uses less digits than its factorization.

212520501460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626025082 (or 10626025080 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 212520501460 its reverse (64105025212), we get a palindrome (276625526672).

The spelling of 212520501460 in words is "two hundred twelve billion, five hundred twenty million, five hundred one thousand, four hundred sixty".