20100012231 has 8 divisors (see below), whose sum is σ = 28861556080. Its totient is φ = 12369238272.

The previous prime is 20100012227. The next prime is 20100012269. The reversal of 20100012231 is 13221000102.

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

It is not a de Polignac number, because 20100012231 - 2² = 20100012227 is a prime.

It is a super-2 number, since 2×20100012231² (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 (20100012211) 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, 257692426 + ... + 257692503.

It is an arithmetic number, because the mean of its divisors is an integer number (3607694510).

Almost surely, 2^20100012231 is an apocalyptic number.

20100012231 is a deficient number, since it is larger than the sum of its proper divisors (8761543849).

20100012231 is a wasteful number, since it uses less digits than its factorization.

20100012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515384945.

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

Adding to 20100012231 its reverse (13221000102), we get a palindrome (33321012333).

The spelling of 20100012231 in words is "twenty billion, one hundred million, twelve thousand, two hundred thirty-one".