2012121202102 has 16 divisors (see below), whose sum is σ = 3293036171712. Its totient is φ = 914468822920.

The previous prime is 2012121202073. The next prime is 2012121202103. The reversal of 2012121202102 is 2012021212102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012121202103) 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, 6429868 + ... + 6735535.

It is an arithmetic number, because the mean of its divisors is an integer number (205814760732).

Almost surely, 2^{2012121202102} is an apocalyptic number.

2012121202102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2012121202102 is a deficient number, since it is larger than the sum of its proper divisors (1280914969610).

2012121202102 is a wasteful number, since it uses less digits than its factorization.

2012121202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13172363.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012121202102 its reverse (2012021212102), we get a palindrome (4024142414204).

The spelling of 2012121202102 in words is "two trillion, twelve billion, one hundred twenty-one million, two hundred two thousand, one hundred two".