1301205301040 has 80 divisors (see below), whose sum is σ = 3040806804480. Its totient is φ = 517821300480.

The previous prime is 1301205301027. The next prime is 1301205301069. The reversal of 1301205301040 is 401035021031.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12632627 + ... + 12735213.

It is an arithmetic number, because the mean of its divisors is an integer number (38010085056).

Almost surely, 2^{1301205301040} is an apocalyptic number.

1301205301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301205301040 is an abundant number, since it is smaller than the sum of its proper divisors (1739601503440).

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

1301205301040 is a wasteful number, since it uses less digits than its factorization.

1301205301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103410 (or 103404 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 1301205301040 in words is "one trillion, three hundred one billion, two hundred five million, three hundred one thousand, forty".