212013049 has 4 divisors (see below), whose sum is σ = 212198400. Its totient is φ = 211827700.

The previous prime is 212013017. The next prime is 212013059. The reversal of 212013049 is 940310212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212013049 - 2⁵ = 212013017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212013059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90949 + ... + 93250.

It is an arithmetic number, because the mean of its divisors is an integer number (53049600).

Almost surely, 2^212013049 is an apocalyptic number.

It is an amenable number.

212013049 is a deficient number, since it is larger than the sum of its proper divisors (185351).

212013049 is a wasteful number, since it uses less digits than its factorization.

212013049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185350.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 212013049 is about 14560.6678761656. The cubic root of 212013049 is about 596.2854294368.

The spelling of 212013049 in words is "two hundred twelve million, thirteen thousand, forty-nine".