1220120002102 has 8 divisors (see below), whose sum is σ = 1855957186512. Its totient is φ = 601467606600.

The previous prime is 1220120002069. The next prime is 1220120002103. The reversal of 1220120002102 is 2012000210221.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220120002103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4296197049 + ... + 4296197332.

It is an arithmetic number, because the mean of its divisors is an integer number (231994648314).

Almost surely, 2^{1220120002102} is an apocalyptic number.

1220120002102 is a deficient number, since it is larger than the sum of its proper divisors (635837184410).

1220120002102 is an equidigital number, since it uses as much as digits as its factorization.

1220120002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8592394454.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220120002102 its reverse (2012000210221), we get a palindrome (3232120212323).

The spelling of 1220120002102 in words is "one trillion, two hundred twenty billion, one hundred twenty million, two thousand, one hundred two".