2012102121202 has 16 divisors (see below), whose sum is σ = 3198468114432. Its totient is φ = 946048916800.

The previous prime is 2012102121157. The next prime is 2012102121269. The reversal of 2012102121202 is 2021212012102.

It is a happy number.

It is a super-2 number, since 2×2012102121202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25668718 + ... + 25746985.

It is an arithmetic number, because the mean of its divisors is an integer number (199904257152).

Almost surely, 2^{2012102121202} is an apocalyptic number.

2012102121202 is a deficient number, since it is larger than the sum of its proper divisors (1186365993230).

2012102121202 is a wasteful number, since it uses less digits than its factorization.

2012102121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51416873.

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

Adding to 2012102121202 its reverse (2021212012102), we get a palindrome (4033314133304).

The spelling of 2012102121202 in words is "two trillion, twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred two".