20121200020202 has 16 divisors (see below), whose sum is σ = 30750090544800. Its totient is φ = 9871800222960.

The previous prime is 20121200020199. The next prime is 20121200020217. The reversal of 20121200020202 is 20202000212102.

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, 157531952 + ... + 157659627.

It is an arithmetic number, because the mean of its divisors is an integer number (1921880659050).

Almost surely, 2^{20121200020202} is an apocalyptic number.

20121200020202 is a deficient number, since it is larger than the sum of its proper divisors (10628890524598).

20121200020202 is a wasteful number, since it uses less digits than its factorization.

20121200020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315192181.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20121200020202 its reverse (20202000212102), we get a palindrome (40323200232304).

The spelling of 20121200020202 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, twenty thousand, two hundred two".