1237696380072 has 96 divisors (see below), whose sum is σ = 3552182786880. Its totient is φ = 387978938880.

The previous prime is 1237696380061. The next prime is 1237696380083. The reversal of 1237696380072 is 2700836967321.

1237696380072 is a `hidden beast` number, since 123 + 76 + 9 + 6 + 380 + 0 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (1237696380061) and next prime (1237696380083).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1083547 + ... + 1910357.

It is an arithmetic number, because the mean of its divisors is an integer number (37001904030).

Almost surely, 2^{1237696380072} is an apocalyptic number.

1237696380072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1237696380072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776091393440).

1237696380072 is an abundant number, since it is smaller than the sum of its proper divisors (2314486406808).

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

1237696380072 is a wasteful number, since it uses less digits than its factorization.

1237696380072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828063 (or 828056 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 1237696380072 in words is "one trillion, two hundred thirty-seven billion, six hundred ninety-six million, three hundred eighty thousand, seventy-two".