12011020102 has 16 divisors (see below), whose sum is σ = 18142578432. Its totient is φ = 5963604480.

The previous prime is 12011020079. The next prime is 12011020111. The reversal of 12011020102 is 20102011021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193168 + ... + 247660.

It is an arithmetic number, because the mean of its divisors is an integer number (1133911152).

Almost surely, 2^12011020102 is an apocalyptic number.

12011020102 is a deficient number, since it is larger than the sum of its proper divisors (6131558330).

12011020102 is a wasteful number, since it uses less digits than its factorization.

12011020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55263.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12011020102 its reverse (20102011021), we get a palindrome (32113031123).

The spelling of 12011020102 in words is "twelve billion, eleven million, twenty thousand, one hundred two".