212370903 has 10 divisors (see below), whose sum is σ = 317245544. Its totient is φ = 141580548.

The previous prime is 212370883. The next prime is 212370911. The reversal of 212370903 is 309073212.

212370903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212370903 - 2¹² = 212366807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212320903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1310851 + ... + 1311012.

Almost surely, 2^212370903 is an apocalyptic number.

212370903 is a deficient number, since it is larger than the sum of its proper divisors (104874641).

212370903 is an equidigital number, since it uses as much as digits as its factorization.

212370903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621875 (or 2621866 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 212370903 is about 14572.9510738217. The cubic root of 212370903 is about 596.6207282686.

The spelling of 212370903 in words is "two hundred twelve million, three hundred seventy thousand, nine hundred three".