212436117013748 has 24 divisors (see below), whose sum is σ = 371829743013960. Its totient is φ = 106199049093120.

The previous prime is 212436117013721. The next prime is 212436117013751. The reversal of 212436117013748 is 847310711634212.

It can be written as a sum of positive squares in 4 ways, for example, as 5172067511524 + 207264049502224 = 2274218^2 + 14396668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212436117013696 and 212436117013705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604433588 + ... + 604784948.

It is an arithmetic number, because the mean of its divisors is an integer number (15492905958915).

Almost surely, 2^{212436117013748} is an apocalyptic number.

It is an amenable number.

212436117013748 is a deficient number, since it is larger than the sum of its proper divisors (159393626000212).

212436117013748 is a wasteful number, since it uses less digits than its factorization.

212436117013748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377987 (or 377985 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 212436117013748 in words is "two hundred twelve trillion, four hundred thirty-six billion, one hundred seventeen million, thirteen thousand, seven hundred forty-eight".