2303131121212 has 12 divisors (see below), whose sum is σ = 4030493848920. Its totient is φ = 1151561450096.

The previous prime is 2303131121191. The next prime is 2303131121237. The reversal of 2303131121212 is 2121211313032.

It is a super-2 number, since 2×2303131121212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478239 + ... + 2198857.

It is an arithmetic number, because the mean of its divisors is an integer number (335874487410).

Almost surely, 2^{2303131121212} is an apocalyptic number.

It is an amenable number.

2303131121212 is a deficient number, since it is larger than the sum of its proper divisors (1727362727708).

2303131121212 is a wasteful number, since it uses less digits than its factorization.

2303131121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055260 (or 2055258 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2303131121212 its reverse (2121211313032), we get a palindrome (4424342434244).

The spelling of 2303131121212 in words is "two trillion, three hundred three billion, one hundred thirty-one million, one hundred twenty-one thousand, two hundred twelve".