12122111010958 has 48 divisors (see below), whose sum is σ = 20668588498656. Its totient is φ = 5299882125120.

The previous prime is 12122111010931. The next prime is 12122111010959. The reversal of 12122111010958 is 85901011122121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122111010959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117658335 + ... + 117761317.

It is an arithmetic number, because the mean of its divisors is an integer number (430595593722).

Almost surely, 2^{12122111010958} is an apocalyptic number.

12122111010958 is a deficient number, since it is larger than the sum of its proper divisors (8546477487698).

12122111010958 is a wasteful number, since it uses less digits than its factorization.

12122111010958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115577 (or 115558 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 34.

The spelling of 12122111010958 in words is "twelve trillion, one hundred twenty-two billion, one hundred eleven million, ten thousand, nine hundred fifty-eight".