212837934093 has 16 divisors (see below), whose sum is σ = 284609740800. Its totient is φ = 141479529840.

The previous prime is 212837934059. The next prime is 212837934119. The reversal of 212837934093 is 390439738212.

It is a de Polignac number, because none of the positive numbers 2^k-212837934093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212837934053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708788 + ... + 1829106.

It is an arithmetic number, because the mean of its divisors is an integer number (17788108800).

Almost surely, 2^212837934093 is an apocalyptic number.

It is an amenable number.

212837934093 is a deficient number, since it is larger than the sum of its proper divisors (71771806707).

212837934093 is a wasteful number, since it uses less digits than its factorization.

212837934093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122032.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 212837934093 in words is "two hundred twelve billion, eight hundred thirty-seven million, nine hundred thirty-four thousand, ninety-three".