12102121002 has 32 divisors (see below), whose sum is σ = 25310817792. Its totient is φ = 3850364144.

The previous prime is 12102120991. The next prime is 12102121049. The reversal of 12102121002 is 20012120121.

12102121002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12102121002² (a number of 21 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, 29448 + ... + 158339.

It is an arithmetic number, because the mean of its divisors is an integer number (790963056).

Almost surely, 2^12102121002 is an apocalyptic number.

12102121002 is an abundant number, since it is smaller than the sum of its proper divisors (13208696790).

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

12102121002 is a wasteful number, since it uses less digits than its factorization.

12102121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188282.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12102121002 its reverse (20012120121), we get a palindrome (32114241123).

It can be divided in two parts, 1210 and 2121002, that added together give a palindrome (2122212).

The spelling of 12102121002 in words is "twelve billion, one hundred two million, one hundred twenty-one thousand, two".