612188410222140 has 48 divisors (see below), whose sum is σ = 1734779687776128. Its totient is φ = 161283372330304.

The previous prime is 612188410222061. The next prime is 612188410222153. The reversal of 612188410222140 is 41222014881216.

It is a super-2 number, since 2×612188410222140² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 612188410222092 and 612188410222101.

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, 61464694842 + ... + 61464704801.

It is an arithmetic number, because the mean of its divisors is an integer number (36141243495336).

Almost surely, 2^{612188410222140} is an apocalyptic number.

612188410222140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612188410222140 is an abundant number, since it is smaller than the sum of its proper divisors (1122591277553988).

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

612188410222140 is a wasteful number, since it uses less digits than its factorization.

612188410222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122929399738 (or 122929399736 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 612188410222140 in words is "six hundred twelve trillion, one hundred eighty-eight billion, four hundred ten million, two hundred twenty-two thousand, one hundred forty".