202112121202 has 8 divisors (see below), whose sum is σ = 321001604316. Its totient is φ = 95111586432.

The previous prime is 202112121193. The next prime is 202112121217. The reversal of 202112121202 is 202121211202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 201898347561 + 213773641 = 449331^2 + 14621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972237043 + ... + 2972237110.

Almost surely, 2^202112121202 is an apocalyptic number.

202112121202 is a deficient number, since it is larger than the sum of its proper divisors (118889483114).

202112121202 is a wasteful number, since it uses less digits than its factorization.

202112121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944474172.

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

Adding to 202112121202 its reverse (202121211202), we get a palindrome (404233332404).

The spelling of 202112121202 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".