1201312332231 has 16 divisors (see below), whose sum is σ = 1768415967360. Its totient is φ = 719296173920.

The previous prime is 1201312332223. The next prime is 1201312332239. The reversal of 1201312332231 is 1322332131021.

It is an interprime number because it is at equal distance from previous prime (1201312332223) and next prime (1201312332239).

It is a cyclic number.

It is not a de Polignac number, because 1201312332231 - 2³ = 1201312332223 is a prime.

It is a super-2 number, since 2×1201312332231² (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 (1201312332239) 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, 219294876 + ... + 219300353.

It is an arithmetic number, because the mean of its divisors is an integer number (110525997960).

Almost surely, 2^{1201312332231} is an apocalyptic number.

1201312332231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201312332231 is a deficient number, since it is larger than the sum of its proper divisors (567103635129).

1201312332231 is a wasteful number, since it uses less digits than its factorization.

1201312332231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438595326.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1201312332231 its reverse (1322332131021), we get a palindrome (2523644463252).

The spelling of 1201312332231 in words is "one trillion, two hundred one billion, three hundred twelve million, three hundred thirty-two thousand, two hundred thirty-one".