612112515403 has 8 divisors (see below), whose sum is σ = 631886643200. Its totient is φ = 592340172840.

The previous prime is 612112515373. The next prime is 612112515407. The reversal of 612112515403 is 304515211216.

612112515403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612112515403 - 2¹³ = 612112507211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612112515407) 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, 268726 + ... + 1138612.

It is an arithmetic number, because the mean of its divisors is an integer number (78985830400).

Almost surely, 2^612112515403 is an apocalyptic number.

612112515403 is a deficient number, since it is larger than the sum of its proper divisors (19774127797).

612112515403 is a wasteful number, since it uses less digits than its factorization.

612112515403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892617.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 612112515403 its reverse (304515211216), we get a palindrome (916627726619).

The spelling of 612112515403 in words is "six hundred twelve billion, one hundred twelve million, five hundred fifteen thousand, four hundred three".