212259040 has 48 divisors (see below), whose sum is σ = 573102432. Its totient is φ = 72774144.

The previous prime is 212259031. The next prime is 212259041. The reversal of 212259040 is 40952212.

It is a junction number, because it is equal to n+sod(n) for n = 212258996 and 212259014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212259041) 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, 93639 + ... + 95878.

It is an arithmetic number, because the mean of its divisors is an integer number (11939634).

Almost surely, 2^212259040 is an apocalyptic number.

212259040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212259040 is an abundant number, since it is smaller than the sum of its proper divisors (360843392).

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

212259040 is a wasteful number, since it uses less digits than its factorization.

212259040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189539 (or 189531 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 212259040 is about 14569.1125330268. The cubic root of 212259040 is about 596.5159563734.

The spelling of 212259040 in words is "two hundred twelve million, two hundred fifty-nine thousand, forty".