212772502 has 4 divisors (see below), whose sum is σ = 319158756. Its totient is φ = 106386250.

The previous prime is 212772491. The next prime is 212772577. The reversal of 212772502 is 205277212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53193124 + ... + 53193127.

It is an arithmetic number, because the mean of its divisors is an integer number (79789689).

Almost surely, 2^212772502 is an apocalyptic number.

212772502 is a deficient number, since it is larger than the sum of its proper divisors (106386254).

212772502 is a wasteful number, since it uses less digits than its factorization.

212772502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106386253.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 212772502 is about 14586.7234840453. The cubic root of 212772502 is about 596.9965666588.

The spelling of 212772502 in words is "two hundred twelve million, seven hundred seventy-two thousand, five hundred two".