212390160 has 40 divisors (see below), whose sum is σ = 658410240. Its totient is φ = 56637312.

The previous prime is 212390159. The next prime is 212390161. The reversal of 212390160 is 61093212.

It is an interprime number because it is at equal distance from previous prime (212390159) and next prime (212390161).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 212390160.

It is not an unprimeable number, because it can be changed into a prime (212390161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442240 + ... + 442719.

It is an arithmetic number, because the mean of its divisors is an integer number (16460256).

Almost surely, 2^212390160 is an apocalyptic number.

212390160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212390160 is an abundant number, since it is smaller than the sum of its proper divisors (446020080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212390160 is a wasteful number, since it uses less digits than its factorization.

212390160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884975 (or 884969 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 212390160 is about 14573.6117692218. The cubic root of 212390160 is about 596.6387608364.

The spelling of 212390160 in words is "two hundred twelve million, three hundred ninety thousand, one hundred sixty".