1231120012022 has 16 divisors (see below), whose sum is σ = 1889680628880. Its totient is φ = 601227295872.

The previous prime is 1231120012013. The next prime is 1231120012121. The reversal of 1231120012022 is 2202100211321.

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, 3093554 + ... + 3468762.

It is an arithmetic number, because the mean of its divisors is an integer number (118105039305).

Almost surely, 2^{1231120012022} is an apocalyptic number.

1231120012022 is a deficient number, since it is larger than the sum of its proper divisors (658560616858).

1231120012022 is a wasteful number, since it uses less digits than its factorization.

1231120012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413407.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1231120012022 its reverse (2202100211321), we get a palindrome (3433220223343).

The spelling of 1231120012022 in words is "one trillion, two hundred thirty-one billion, one hundred twenty million, twelve thousand, twenty-two".