12021000023122 has 8 divisors (see below), whose sum is σ = 18032309015472. Its totient is φ = 6010230351300.

The previous prime is 12021000023101. The next prime is 12021000023147. The reversal of 12021000023122 is 22132000012021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12021000023096 and 12021000023105.

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, 134774404 + ... + 134863567.

It is an arithmetic number, because the mean of its divisors is an integer number (2254038626934).

Almost surely, 2^{12021000023122} is an apocalyptic number.

12021000023122 is a deficient number, since it is larger than the sum of its proper divisors (6011308992350).

12021000023122 is a wasteful number, since it uses less digits than its factorization.

12021000023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269660264.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12021000023122 its reverse (22132000012021), we get a palindrome (34153000035143).

The spelling of 12021000023122 in words is "twelve trillion, twenty-one billion, twenty-three thousand, one hundred twenty-two".