1220002110123 has 16 divisors (see below), whose sum is σ = 1637521433856. Its totient is φ = 807909285600.

The previous prime is 1220002110109. The next prime is 1220002110133. The reversal of 1220002110123 is 3210112000221.

It is not a de Polignac number, because 1220002110123 - 2¹² = 1220002106027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220002110133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11597440 + ... + 11702162.

It is an arithmetic number, because the mean of its divisors is an integer number (102345089616).

Almost surely, 2^{1220002110123} is an apocalyptic number.

1220002110123 is a deficient number, since it is larger than the sum of its proper divisors (417519323733).

1220002110123 is a wasteful number, since it uses less digits than its factorization.

1220002110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130594.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1220002110123 its reverse (3210112000221), we get a palindrome (4430114110344).

The spelling of 1220002110123 in words is "one trillion, two hundred twenty billion, two million, one hundred ten thousand, one hundred twenty-three".