12121000001097 has 16 divisors (see below), whose sum is σ = 17436683855808. Its totient is φ = 7445289337920.

The previous prime is 12121000001093. The next prime is 12121000001107. The reversal of 12121000001097 is 79010000012121.

It is not a de Polignac number, because 12121000001097 - 2² = 12121000001093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121000001093) 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, 287220003 + ... + 287262200.

It is an arithmetic number, because the mean of its divisors is an integer number (1089792740988).

Almost surely, 2^{12121000001097} is an apocalyptic number.

It is an amenable number.

12121000001097 is a deficient number, since it is larger than the sum of its proper divisors (5315683854711).

12121000001097 is a wasteful number, since it uses less digits than its factorization.

12121000001097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574482760.

The product of its (nonzero) digits is 252, while the sum is 24.

The spelling of 12121000001097 in words is "twelve trillion, one hundred twenty-one billion, one thousand, ninety-seven".