212700940 has 24 divisors (see below), whose sum is σ = 472947552. Its totient is φ = 80075520.

The previous prime is 212700881. The next prime is 212700949. The reversal of 212700940 is 49007212.

212700940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212700949) 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, 312456 + ... + 313135.

It is an arithmetic number, because the mean of its divisors is an integer number (19706148).

Almost surely, 2^212700940 is an apocalyptic number.

212700940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212700940 is an abundant number, since it is smaller than the sum of its proper divisors (260246612).

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

212700940 is a wasteful number, since it uses less digits than its factorization.

212700940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625617 (or 625615 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 212700940 is about 14584.2702937103. The cubic root of 212700940 is about 596.9296296589.

The spelling of 212700940 in words is "two hundred twelve million, seven hundred thousand, nine hundred forty".