612202107392 has 90 divisors (see below), whose sum is σ = 1236763484649. Its totient is φ = 302746060800.

The previous prime is 612202107383. The next prime is 612202107401. The reversal of 612202107392 is 293701202216.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (612202107383) and next prime (612202107401).

It can be written as a sum of positive squares in 2 ways, for example, as 460899778816 + 151302328576 = 678896^2 + 388976^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=553264.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2673371534 + ... + 2673371762.

Almost surely, 2^612202107392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612202107392

612202107392 is an abundant number, since it is smaller than the sum of its proper divisors (624561377257).

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

612202107392 is an frugal number, since it uses more digits than its factorization.

612202107392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

It can be divided in two parts, 61220 and 2107392, that added together give a palindrome (2168612).

The spelling of 612202107392 in words is "six hundred twelve billion, two hundred two million, one hundred seven thousand, three hundred ninety-two".