12203231122031 has 4 divisors (see below), whose sum is σ = 12229362238392. Its totient is φ = 12177100005672.

The previous prime is 12203231121989. The next prime is 12203231122081. The reversal of 12203231122031 is 13022113230221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12203231122031 - 2¹⁴ = 12203231105647 is a prime.

It is a super-2 number, since 2×12203231122031² (a number of 27 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 = 12203231121988 and 12203231122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203231122081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13065557480 + ... + 13065558413.

It is an arithmetic number, because the mean of its divisors is an integer number (3057340559598).

Almost surely, 2^{12203231122031} is an apocalyptic number.

12203231122031 is a deficient number, since it is larger than the sum of its proper divisors (26131116361).

12203231122031 is an equidigital number, since it uses as much as digits as its factorization.

12203231122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26131116360.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12203231122031 its reverse (13022113230221), we get a palindrome (25225344352252).

The spelling of 12203231122031 in words is "twelve trillion, two hundred three billion, two hundred thirty-one million, one hundred twenty-two thousand, thirty-one".