2231012120 has 32 divisors (see below), whose sum is σ = 5056430400. Its totient is φ = 885888768.

The previous prime is 2231012101. The next prime is 2231012141. The reversal of 2231012120 is 212101322.

It is a happy number.

It is a super-3 number, since 3×2231012120³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231012095 and 2231012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198080 + ... + 209039.

It is an arithmetic number, because the mean of its divisors is an integer number (158013450).

Almost surely, 2^2231012120 is an apocalyptic number.

2231012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231012120 is an abundant number, since it is smaller than the sum of its proper divisors (2825418280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231012120 is a wasteful number, since it uses less digits than its factorization.

2231012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407267 (or 407263 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2231012120 is about 47233.5910131762. The cubic root of 2231012120 is about 1306.6741811429.

Adding to 2231012120 its reverse (212101322), we get a palindrome (2443113442).

The spelling of 2231012120 in words is "two billion, two hundred thirty-one million, twelve thousand, one hundred twenty".