1201195799940 has 48 divisors (see below), whose sum is σ = 3364169457600. Its totient is φ = 320240668800.

The previous prime is 1201195799933. The next prime is 1201195799959. The reversal of 1201195799940 is 499975911021.

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, 2196111 + ... + 2687990.

It is an arithmetic number, because the mean of its divisors is an integer number (70086863700).

Almost surely, 2^{1201195799940} is an apocalyptic number.

1201195799940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201195799940 is an abundant number, since it is smaller than the sum of its proper divisors (2162973657660).

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

1201195799940 is a wasteful number, since it uses less digits than its factorization.

1201195799940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888212 (or 4888210 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 57.

The spelling of 1201195799940 in words is "one trillion, two hundred one billion, one hundred ninety-five million, seven hundred ninety-nine thousand, nine hundred forty".