1202231210231 has 2 divisors, whose sum is σ = 1202231210232. Its totient is φ = 1202231210230.

The previous prime is 1202231210227. The next prime is 1202231210249. The reversal of 1202231210231 is 1320121322021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202231210231 - 2² = 1202231210227 is a prime.

It is a super-2 number, since 2×1202231210231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202231210251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601115605115 + 601115605116.

It is an arithmetic number, because the mean of its divisors is an integer number (601115605116).

Almost surely, 2^{1202231210231} is an apocalyptic number.

1202231210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202231210231 is an equidigital number, since it uses as much as digits as its factorization.

1202231210231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1202231210231 its reverse (1320121322021), we get a palindrome (2522352532252).

The spelling of 1202231210231 in words is "one trillion, two hundred two billion, two hundred thirty-one million, two hundred ten thousand, two hundred thirty-one".