12121101011202 has 16 divisors (see below), whose sum is σ = 24252755903712. Its totient is φ = 4038608023520.

The previous prime is 12121101011179. The next prime is 12121101011203. The reversal of 12121101011202 is 20211010112121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12121101011203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439730124 + ... + 439757687.

It is an arithmetic number, because the mean of its divisors is an integer number (1515797243982).

Almost surely, 2^{12121101011202} is an apocalyptic number.

12121101011202 is an abundant number, since it is smaller than the sum of its proper divisors (12131654892510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121101011202 is a wasteful number, since it uses less digits than its factorization.

12121101011202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879490113.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12121101011202 its reverse (20211010112121), we get a palindrome (32332111123323).

The spelling of 12121101011202 in words is "twelve trillion, one hundred twenty-one billion, one hundred one million, eleven thousand, two hundred two".