612214512 has 80 divisors (see below), whose sum is σ = 1946542080. Its totient is φ = 161462016.

The previous prime is 612214507. The next prime is 612214553. The reversal of 612214512 is 215412216.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65712 + ... + 74447.

It is an arithmetic number, because the mean of its divisors is an integer number (24331776).

Almost surely, 2^612214512 is an apocalyptic number.

It is an amenable number.

612214512 is an abundant number, since it is smaller than the sum of its proper divisors (1334327568).

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

612214512 is a wasteful number, since it uses less digits than its factorization.

612214512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140190 (or 140184 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 612214512 is about 24742.9689406910. The cubic root of 612214512 is about 849.1176597231.

Adding to 612214512 its reverse (215412216), we get a palindrome (827626728).

The spelling of 612214512 in words is "six hundred twelve million, two hundred fourteen thousand, five hundred twelve".