1231707048264 has 768 divisors, whose sum is σ = 4345436160000. Its totient is φ = 312355008000.

The previous prime is 1231707048259. The next prime is 1231707048287. The reversal of 1231707048264 is 4628407071321.

1231707048264 is a `hidden beast` number, since 1 + 2 + 31 + 70 + 70 + 482 + 6 + 4 = 666.

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 191 ways as a sum of consecutive naturals, for example, 3960472669 + ... + 3960472979.

It is an arithmetic number, because the mean of its divisors is an integer number (5658120000).

Almost surely, 2^{1231707048264} is an apocalyptic number.

1231707048264 is a gapful number since it is divisible by the number (14) 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 1231707048264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172718080000).

1231707048264 is an abundant number, since it is smaller than the sum of its proper divisors (3113729111736).

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

1231707048264 is a wasteful number, since it uses less digits than its factorization.

1231707048264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 1231707048264 in words is "one trillion, two hundred thirty-one billion, seven hundred seven million, forty-eight thousand, two hundred sixty-four".