1231369413120 has 3360 divisors, whose sum is σ = 5996087475840. Its totient is φ = 236489932800.

The previous prime is 1231369413107. The next prime is 1231369413143. The reversal of 1231369413120 is 213149631321.

1231369413120 is a `hidden beast` number, since 1 + 231 + 3 + 6 + 9 + 413 + 1 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 30033400300 + ... + 30033400340.

It is an arithmetic number, because the mean of its divisors is an integer number (1784549844).

Almost surely, 2^{1231369413120} is an apocalyptic number.

1231369413120 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 1231369413120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998043737920).

1231369413120 is an abundant number, since it is smaller than the sum of its proper divisors (4764718062720).

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

1231369413120 is an equidigital number, since it uses as much as digits as its factorization.

1231369413120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 1231369413120 in words is "one trillion, two hundred thirty-one billion, three hundred sixty-nine million, four hundred thirteen thousand, one hundred twenty".