212510123113450 has 48 divisors (see below), whose sum is σ = 415465046838720. Its totient is φ = 80714730293120.

The previous prime is 212510123113399. The next prime is 212510123113469. The reversal of 212510123113450 is 54311321015212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 674263660 + ... + 674578759.

It is an arithmetic number, because the mean of its divisors is an integer number (8655521809140).

Almost surely, 2^{212510123113450} is an apocalyptic number.

212510123113450 is a deficient number, since it is larger than the sum of its proper divisors (202954923725270).

212510123113450 is a wasteful number, since it uses less digits than its factorization.

212510123113450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348842591 (or 1348842586 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 212510123113450 its reverse (54311321015212), we get a palindrome (266821444128662).

The spelling of 212510123113450 in words is "two hundred twelve trillion, five hundred ten billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred fifty".