612229712 has 40 divisors (see below), whose sum is σ = 1238123880. Its totient is φ = 292997120.

The previous prime is 612229703. The next prime is 612229727. The reversal of 612229712 is 217922216.

It can be written as a sum of positive squares in 4 ways, for example, as 72318016 + 539911696 = 8504^2 + 23236^2 .

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, 25964 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (30953097).

Almost surely, 2^612229712 is an apocalyptic number.

It is an amenable number.

612229712 is an abundant number, since it is smaller than the sum of its proper divisors (625894168).

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

612229712 is a wasteful number, since it uses less digits than its factorization.

612229712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17711 (or 17705 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 612229712 is about 24743.2760967500. The cubic root of 612229712 is about 849.1246869341.

The spelling of 612229712 in words is "six hundred twelve million, two hundred twenty-nine thousand, seven hundred twelve".