12201002031 has 16 divisors (see below), whose sum is σ = 16377172448. Its totient is φ = 8079523200.

The previous prime is 12201001987. The next prime is 12201002053. The reversal of 12201002031 is 13020010221.

It is not a de Polignac number, because 12201002031 - 2⁷ = 12201001903 is a prime.

It is a super-2 number, since 2×12201002031² (a number of 21 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 = 12201001998 and 12201002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201002831) 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, 463401 + ... + 489021.

It is an arithmetic number, because the mean of its divisors is an integer number (1023573278).

Almost surely, 2^12201002031 is an apocalyptic number.

12201002031 is a deficient number, since it is larger than the sum of its proper divisors (4176170417).

12201002031 is a wasteful number, since it uses less digits than its factorization.

12201002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26682.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12201002031 its reverse (13020010221), we get a palindrome (25221012252).

The spelling of 12201002031 in words is "twelve billion, two hundred one million, two thousand, thirty-one".