220012112121202 has 8 divisors (see below), whose sum is σ = 349431001604316. Its totient is φ = 103535111586432.

The previous prime is 220012112121199. The next prime is 220012112121223. The reversal of 220012112121202 is 202121211210022.

It can be written as a sum of positive squares in 2 ways, for example, as 209488310111521 + 10523802009681 = 14473711^2 + 3244041^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 220012112121202.

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, 3235472237043 + ... + 3235472237110.

Almost surely, 2^{220012112121202} is an apocalyptic number.

220012112121202 is a deficient number, since it is larger than the sum of its proper divisors (129418889483114).

220012112121202 is a wasteful number, since it uses less digits than its factorization.

220012112121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470944474172.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220012112121202 its reverse (202121211210022), we get a palindrome (422133323331224).

The spelling of 220012112121202 in words is "two hundred twenty trillion, twelve billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".