2231440442512 has 20 divisors (see below), whose sum is σ = 4324035208320. Its totient is φ = 1115560388768.

The previous prime is 2231440442507. The next prime is 2231440442549. The reversal of 2231440442512 is 2152440441322.

It is a super-3 number, since 3×2231440442512³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9874312 + ... + 10097767.

It is an arithmetic number, because the mean of its divisors is an integer number (216201760416).

Almost surely, 2^{2231440442512} is an apocalyptic number.

It is an amenable number.

2231440442512 is a deficient number, since it is larger than the sum of its proper divisors (2092594765808).

2231440442512 is a wasteful number, since it uses less digits than its factorization.

2231440442512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19979070 (or 19979064 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 2231440442512 its reverse (2152440441322), we get a palindrome (4383880883834).

The spelling of 2231440442512 in words is "two trillion, two hundred thirty-one billion, four hundred forty million, four hundred forty-two thousand, five hundred twelve".