212958902 has 48 divisors (see below), whose sum is σ = 366855552. Its totient is φ = 92067840.

The previous prime is 212958887. The next prime is 212958937. The reversal of 212958902 is 209859212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1103318 + ... + 1103510.

It is an arithmetic number, because the mean of its divisors is an integer number (7642824).

Almost surely, 2^212958902 is an apocalyptic number.

212958902 is a deficient number, since it is larger than the sum of its proper divisors (153896650).

212958902 is a wasteful number, since it uses less digits than its factorization.

212958902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 212958902 is about 14593.1114571225. Note that the first 3 decimals coincide. The cubic root of 212958902 is about 597.1708493301.

The spelling of 212958902 in words is "two hundred twelve million, nine hundred fifty-eight thousand, nine hundred two".