12121333022001 has 16 divisors (see below), whose sum is σ = 18471193309184. Its totient is φ = 6926254534224.

The previous prime is 12121333021957. The next prime is 12121333022033. The reversal of 12121333022001 is 10022033312121.

It is not a de Polignac number, because 12121333022001 - 2⁷ = 12121333021873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12121333022041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8554735 + ... + 9870468.

It is an arithmetic number, because the mean of its divisors is an integer number (1154449581824).

Almost surely, 2^{12121333022001} is an apocalyptic number.

It is an amenable number.

12121333022001 is a deficient number, since it is larger than the sum of its proper divisors (6349860287183).

12121333022001 is a wasteful number, since it uses less digits than its factorization.

12121333022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18456540.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12121333022001 its reverse (10022033312121), we get a palindrome (22143366334122).

The spelling of 12121333022001 in words is "twelve trillion, one hundred twenty-one billion, three hundred thirty-three million, twenty-two thousand, one".