2012121202 has 48 divisors (see below), whose sum is σ = 3787039872. Its totient is φ = 794737440.

The previous prime is 2012121179. The next prime is 2012121229. The reversal of 2012121202 is 2021212102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1567653 + ... + 1568935.

It is an arithmetic number, because the mean of its divisors is an integer number (78896664).

Almost surely, 2^2012121202 is an apocalyptic number.

2012121202 is a deficient number, since it is larger than the sum of its proper divisors (1774918670).

2012121202 is a wasteful number, since it uses less digits than its factorization.

2012121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2012121202 is about 44856.6739961848. The cubic root of 2012121202 is about 1262.4612180617.

Adding to 2012121202 its reverse (2021212102), we get a palindrome (4033333304).

The spelling of 2012121202 in words is "two billion, twelve million, one hundred twenty-one thousand, two hundred two".