1220112012202 has 4 divisors (see below), whose sum is σ = 1830168018306. Its totient is φ = 610056006100.

The previous prime is 1220112012187. The next prime is 1220112012221. The reversal of 1220112012202 is 2022102110221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 756240683641 + 463871328561 = 869621^2 + 681081^2 .

It is a super-2 number, since 2×1220112012202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305028003049 + ... + 305028003052.

Almost surely, 2^{1220112012202} is an apocalyptic number.

1220112012202 is a deficient number, since it is larger than the sum of its proper divisors (610056006104).

1220112012202 is an equidigital number, since it uses as much as digits as its factorization.

1220112012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610056006103.

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

Adding to 1220112012202 its reverse (2022102110221), we get a palindrome (3242214122423).

The spelling of 1220112012202 in words is "one trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, two hundred two".