12100020031 has 8 divisors (see below), whose sum is σ = 13258174464. Its totient is φ = 10951557720.

The previous prime is 12100020029. The next prime is 12100020047. The reversal of 12100020031 is 13002000121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12100020031 - 2¹ = 12100020029 is a prime.

It is a super-2 number, since 2×12100020031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100020071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420415 + ... + 2425408.

It is an arithmetic number, because the mean of its divisors is an integer number (1657271808).

Almost surely, 2^12100020031 is an apocalyptic number.

12100020031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12100020031 is a deficient number, since it is larger than the sum of its proper divisors (1158154433).

12100020031 is a wasteful number, since it uses less digits than its factorization.

12100020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846061.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12100020031 its reverse (13002000121), we get a palindrome (25102020152).

The spelling of 12100020031 in words is "twelve billion, one hundred million, twenty thousand, thirty-one".