212612412562 has 64 divisors (see below), whose sum is σ = 360145502208. Its totient is φ = 93307032000.

The previous prime is 212612412557. The next prime is 212612412581. The reversal of 212612412562 is 265214216212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50248987 + ... + 50253217.

It is an arithmetic number, because the mean of its divisors is an integer number (5627273472).

Almost surely, 2^212612412562 is an apocalyptic number.

212612412562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212612412562 is a deficient number, since it is larger than the sum of its proper divisors (147533089646).

212612412562 is a wasteful number, since it uses less digits than its factorization.

212612412562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975.

The product of its digits is 23040, while the sum is 34.

Adding to 212612412562 its reverse (265214216212), we get a palindrome (477826628774).

The spelling of 212612412562 in words is "two hundred twelve billion, six hundred twelve million, four hundred twelve thousand, five hundred sixty-two".