211265012 has 24 divisors (see below), whose sum is σ = 422889600. Its totient is φ = 90465120.

The previous prime is 211264997. The next prime is 211265023. The reversal of 211265012 is 210562112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40937 + ... + 45807.

It is an arithmetic number, because the mean of its divisors is an integer number (17620400).

Almost surely, 2^211265012 is an apocalyptic number.

It is an amenable number.

211265012 is an abundant number, since it is smaller than the sum of its proper divisors (211624588).

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

211265012 is a wasteful number, since it uses less digits than its factorization.

211265012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431 (or 6429 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 211265012 is about 14534.9582730739. The cubic root of 211265012 is about 595.5833198538.

The spelling of 211265012 in words is "two hundred eleven million, two hundred sixty-five thousand, twelve".