212132999979 has 16 divisors (see below), whose sum is σ = 314759894400. Its totient is φ = 141202047528.

The previous prime is 212132999959. The next prime is 212132999987. The reversal of 212132999979 is 979999231212.

212132999979 is a `hidden beast` number, since 212 + 1 + 329 + 9 + 9 + 97 + 9 = 666.

It is not a de Polignac number, because 212132999979 - 2¹⁶ = 212132934443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212132999959) 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, 6092109 + ... + 6126830.

It is an arithmetic number, because the mean of its divisors is an integer number (19672493400).

Almost surely, 2^212132999979 is an apocalyptic number.

212132999979 is a deficient number, since it is larger than the sum of its proper divisors (102626894421).

212132999979 is a wasteful number, since it uses less digits than its factorization.

212132999979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12219591 (or 12219585 counting only the distinct ones).

The product of its digits is 9920232, while the sum is 63.

The spelling of 212132999979 in words is "two hundred twelve billion, one hundred thirty-two million, nine hundred ninety-nine thousand, nine hundred seventy-nine".