1231546296960 has 768 divisors, whose sum is σ = 4993032844800. Its totient is φ = 273843486720.

The previous prime is 1231546296917. The next prime is 1231546296989. The reversal of 1231546296960 is 696926451321.

1231546296960 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 5 + 4 + 629 + 6 + 9 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1231546296897 and 1231546296906.

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 95 ways as a sum of consecutive naturals, for example, 725718832 + ... + 725720528.

It is an arithmetic number, because the mean of its divisors is an integer number (6501344850).

Almost surely, 2^{1231546296960} is an apocalyptic number.

1231546296960 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 1231546296960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2496516422400).

1231546296960 is an abundant number, since it is smaller than the sum of its proper divisors (3761486547840).

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

1231546296960 is a wasteful number, since it uses less digits than its factorization.

1231546296960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 1231546296960 in words is "one trillion, two hundred thirty-one billion, five hundred forty-six million, two hundred ninety-six thousand, nine hundred sixty".