12221001022095 has 64 divisors (see below), whose sum is σ = 21881757081600. Its totient is φ = 6471337898880.

The previous prime is 12221001022091. The next prime is 12221001022103. The reversal of 12221001022095 is 59022010012221.

It is a happy number.

It is not a de Polignac number, because 12221001022095 - 2² = 12221001022091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221001022091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13032441 + ... + 13938669.

It is an arithmetic number, because the mean of its divisors is an integer number (341902454400).

Almost surely, 2^{12221001022095} is an apocalyptic number.

12221001022095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12221001022095 is a deficient number, since it is larger than the sum of its proper divisors (9660756059505).

12221001022095 is a wasteful number, since it uses less digits than its factorization.

12221001022095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906957 (or 906951 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 12221001022095 in words is "twelve trillion, two hundred twenty-one billion, one million, twenty-two thousand, ninety-five".