616212312 has 32 divisors (see below), whose sum is σ = 1555789680. Its totient is φ = 203369600.

The previous prime is 616212281. The next prime is 616212323. The reversal of 616212312 is 213212616.

616212312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×616212312² = 759435226920770688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 124683 + ... + 129530.

Almost surely, 2^616212312 is an apocalyptic number.

It is an amenable number.

616212312 is an abundant number, since it is smaller than the sum of its proper divisors (939577368).

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

616212312 is a wasteful number, since it uses less digits than its factorization.

616212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254323 (or 254319 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 616212312 is about 24823.6240706308. The cubic root of 616212312 is about 850.9619154061.

Adding to 616212312 its reverse (213212616), we get a palindrome (829424928).

The spelling of 616212312 in words is "six hundred sixteen million, two hundred twelve thousand, three hundred twelve".