1220112100002 has 32 divisors (see below), whose sum is σ = 2546417036160. Its totient is φ = 389006562560.

The previous prime is 1220112099977. The next prime is 1220112100027. The reversal of 1220112100002 is 2000012110221.

It is an interprime number because it is at equal distance from previous prime (1220112099977) and next prime (1220112100027).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3850852 + ... + 4155632.

It is an arithmetic number, because the mean of its divisors is an integer number (79575532380).

Almost surely, 2^{1220112100002} is an apocalyptic number.

1220112100002 is an abundant number, since it is smaller than the sum of its proper divisors (1326304936158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220112100002 is a wasteful number, since it uses less digits than its factorization.

1220112100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333818.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220112100002 its reverse (2000012110221), we get a palindrome (3220124210223).

The spelling of 1220112100002 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred thousand, two".