1231305052260 has 24 divisors (see below), whose sum is σ = 3447654146496. Its totient is φ = 328348013920.

The previous prime is 1231305052259. The next prime is 1231305052283. The reversal of 1231305052260 is 622505031321.

It is a super-2 number, since 2×1231305052260² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10260875376 + ... + 10260875495.

It is an arithmetic number, because the mean of its divisors is an integer number (143652256104).

Almost surely, 2^{1231305052260} is an apocalyptic number.

1231305052260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231305052260 is an abundant number, since it is smaller than the sum of its proper divisors (2216349094236).

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

1231305052260 is a wasteful number, since it uses less digits than its factorization.

1231305052260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20521750883 (or 20521750881 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 1231305052260 in words is "one trillion, two hundred thirty-one billion, three hundred five million, fifty-two thousand, two hundred sixty".