1236725702980 has 96 divisors (see below), whose sum is σ = 2708421940224. Its totient is φ = 474019185024.

The previous prime is 1236725702969. The next prime is 1236725703011. The reversal of 1236725702980 is 892075276321.

It is a happy number.

It is a super-2 number, since 2×1236725702980² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 9412819 + ... + 9543301.

It is an arithmetic number, because the mean of its divisors is an integer number (28212728544).

Almost surely, 2^{1236725702980} is an apocalyptic number.

1236725702980 is a gapful number since it is divisible by the number (10) 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 1236725702980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354210970112).

1236725702980 is an abundant number, since it is smaller than the sum of its proper divisors (1471696237244).

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

1236725702980 is a wasteful number, since it uses less digits than its factorization.

1236725702980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130745 (or 130743 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 1236725702980 in words is "one trillion, two hundred thirty-six billion, seven hundred twenty-five million, seven hundred two thousand, nine hundred eighty".