212962921250 has 20 divisors (see below), whose sum is σ = 399177701934. Its totient is φ = 85185168000.

The previous prime is 212962921217. The next prime is 212962921253. The reversal of 212962921250 is 52129269212.

It can be written as a sum of positive squares in 5 ways, for example, as 46199209 + 212916722041 = 6797^2 + 461429^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212962921198 and 212962921207.

It is not an unprimeable number, because it can be changed into a prime (212962921253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 85183919 + ... + 85186418.

Almost surely, 2^212962921250 is an apocalyptic number.

212962921250 is a deficient number, since it is larger than the sum of its proper divisors (186214780684).

212962921250 is an equidigital number, since it uses as much as digits as its factorization.

212962921250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170370359 (or 170370344 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 212962921250 in words is "two hundred twelve billion, nine hundred sixty-two million, nine hundred twenty-one thousand, two hundred fifty".