1201422112131 has 16 divisors (see below), whose sum is σ = 1605755148800. Its totient is φ = 799019054208.

The previous prime is 1201422112127. The next prime is 1201422112147. The reversal of 1201422112131 is 1312112241021.

It is not a de Polignac number, because 1201422112131 - 2² = 1201422112127 is a prime.

It is a super-2 number, since 2×1201422112131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201422112098 and 1201422112107.

It is not an unprimeable number, because it can be changed into a prime (1201422112151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10755690 + ... + 10866816.

It is an arithmetic number, because the mean of its divisors is an integer number (100359696800).

Almost surely, 2^{1201422112131} is an apocalyptic number.

1201422112131 is a deficient number, since it is larger than the sum of its proper divisors (404333036669).

1201422112131 is a wasteful number, since it uses less digits than its factorization.

1201422112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119778.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1201422112131 its reverse (1312112241021), we get a palindrome (2513534353152).

The spelling of 1201422112131 in words is "one trillion, two hundred one billion, four hundred twenty-two million, one hundred twelve thousand, one hundred thirty-one".