1201012320231 has 96 divisors (see below), whose sum is σ = 2011777560000. Its totient is φ = 685304008704.

The previous prime is 1201012320227. The next prime is 1201012320257. The reversal of 1201012320231 is 1320232101021.

1201012320231 is a `hidden beast` number, since 1 + 201 + 0 + 1 + 232 + 0 + 231 = 666.

It is not a de Polignac number, because 1201012320231 - 2² = 1201012320227 is a prime.

It is a super-2 number, since 2×1201012320231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201012320631) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14543245 + ... + 14625593.

It is an arithmetic number, because the mean of its divisors is an integer number (20956016250).

Almost surely, 2^{1201012320231} is an apocalyptic number.

1201012320231 is a deficient number, since it is larger than the sum of its proper divisors (810765239769).

1201012320231 is a wasteful number, since it uses less digits than its factorization.

1201012320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82593 (or 82590 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201012320231 its reverse (1320232101021), we get a palindrome (2521244421252).

The spelling of 1201012320231 in words is "one trillion, two hundred one billion, twelve million, three hundred twenty thousand, two hundred thirty-one".