612012634 has 16 divisors (see below), whose sum is σ = 958293576. Its totient is φ = 292852800.

The previous prime is 612012623. The next prime is 612012637. The reversal of 612012634 is 436210216.

It can be written as a sum of positive squares in 4 ways, for example, as 466689609 + 145323025 = 21603^2 + 12055^2 .

It is a junction number, because it is equal to n+sod(n) for n = 612012599 and 612012608.

It is not an unprimeable number, because it can be changed into a prime (612012637) 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, 63277 + ... + 72304.

Almost surely, 2^612012634 is an apocalyptic number.

612012634 is a deficient number, since it is larger than the sum of its proper divisors (346280942).

612012634 is a wasteful number, since it uses less digits than its factorization.

612012634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135681.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 612012634 is about 24738.8891019787. The cubic root of 612012634 is about 849.0243171573.

The spelling of 612012634 in words is "six hundred twelve million, twelve thousand, six hundred thirty-four".