12021000022195 has 16 divisors (see below), whose sum is σ = 14519460690720. Its totient is φ = 9554060857600.

The previous prime is 12021000022183. The next prime is 12021000022201. The reversal of 12021000022195 is 59122000012021.

It is not a de Polignac number, because 12021000022195 - 2¹⁹ = 12020999497907 is a prime.

It is a super-2 number, since 2×12021000022195² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5379946 + ... + 7279135.

It is an arithmetic number, because the mean of its divisors is an integer number (907466293170).

Almost surely, 2^{12021000022195} is an apocalyptic number.

12021000022195 is a deficient number, since it is larger than the sum of its proper divisors (2498460668525).

12021000022195 is a wasteful number, since it uses less digits than its factorization.

12021000022195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12660326.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 12021000022195 in words is "twelve trillion, twenty-one billion, twenty-two thousand, one hundred ninety-five".