212518978630010 has 24 divisors (see below), whose sum is σ = 414223382019420. Its totient is φ = 78468545955072.

The previous prime is 212518978629863. The next prime is 212518978630069. The reversal of 212518978630010 is 10036879815212.

212518978630010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 64613028997729 + 147905949632281 = 8038223^2 + 12161659^2 .

It is a super-3 number, since 3×212518978630010³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62875435775 + ... + 62875439154.

Almost surely, 2^{212518978630010} is an apocalyptic number.

212518978630010 is a deficient number, since it is larger than the sum of its proper divisors (201704403389410).

212518978630010 is a wasteful number, since it uses less digits than its factorization.

212518978630010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125750874962 (or 125750874949 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 212518978630010 in words is "two hundred twelve trillion, five hundred eighteen billion, nine hundred seventy-eight million, six hundred thirty thousand, ten".