1201431101200 has 60 divisors (see below), whose sum is σ = 3148841706768. Its totient is φ = 436884035200.

The previous prime is 1201431101173. The next prime is 1201431101249. The reversal of 1201431101200 is 21011341021.

It is a super-3 number, since 3×1201431101200³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136521862 + ... + 136530661.

Almost surely, 2^{1201431101200} is an apocalyptic number.

1201431101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201431101200 is an abundant number, since it is smaller than the sum of its proper divisors (1947410605568).

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

1201431101200 is a wasteful number, since it uses less digits than its factorization.

1201431101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273052552 (or 273052541 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201431101200 its reverse (21011341021), we get a palindrome (1222442442221).

The spelling of 1201431101200 in words is "one trillion, two hundred one billion, four hundred thirty-one million, one hundred one thousand, two hundred".