182121120212 has 48 divisors (see below), whose sum is σ = 333950601600. Its totient is φ = 86789351040.

The previous prime is 182121120193. The next prime is 182121120281. The reversal of 182121120212 is 212021121281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12692162 + ... + 12706502.

It is an arithmetic number, because the mean of its divisors is an integer number (6957304200).

Almost surely, 2^182121120212 is an apocalyptic number.

It is an amenable number.

182121120212 is a deficient number, since it is larger than the sum of its proper divisors (151829481388).

182121120212 is a wasteful number, since it uses less digits than its factorization.

182121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776 (or 15774 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 182121120212 its reverse (212021121281), we get a palindrome (394142241493).

The spelling of 182121120212 in words is "one hundred eighty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".