1201011313440 has 192 divisors, whose sum is σ = 4216554195840. Its totient is φ = 285565501440.

The previous prime is 1201011313427. The next prime is 1201011313451. The reversal of 1201011313440 is 443131101021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3718191 + ... + 4028270.

It is an arithmetic number, because the mean of its divisors is an integer number (21961219770).

Almost surely, 2^{1201011313440} is an apocalyptic number.

1201011313440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201011313440 is an abundant number, since it is smaller than the sum of its proper divisors (3015542882400).

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

1201011313440 is a wasteful number, since it uses less digits than its factorization.

1201011313440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7746515 (or 7746507 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1201011313440 its reverse (443131101021), we get a palindrome (1644142414461).

The spelling of 1201011313440 in words is "one trillion, two hundred one billion, eleven million, three hundred thirteen thousand, four hundred forty".