1201132112331 has 16 divisors (see below), whose sum is σ = 1650048502304. Its totient is φ = 776623521024.

The previous prime is 1201132112311. The next prime is 1201132112333. The reversal of 1201132112331 is 1332112311021.

It is not a de Polignac number, because 1201132112331 - 2¹⁰ = 1201132111307 is a prime.

It is a super-2 number, since 2×1201132112331² (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 = 1201132112298 and 1201132112307.

It is not an unprimeable number, because it can be changed into a prime (1201132112333) 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, 17251216 + ... + 17320701.

It is an arithmetic number, because the mean of its divisors is an integer number (103128031394).

Almost surely, 2^{1201132112331} is an apocalyptic number.

1201132112331 is a deficient number, since it is larger than the sum of its proper divisors (448916389973).

1201132112331 is a wasteful number, since it uses less digits than its factorization.

1201132112331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34572270.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1201132112331 its reverse (1332112311021), we get a palindrome (2533244423352).

The spelling of 1201132112331 in words is "one trillion, two hundred one billion, one hundred thirty-two million, one hundred twelve thousand, three hundred thirty-one".