1210244420121 has 96 divisors (see below), whose sum is σ = 1835383861248. Its totient is φ = 708523200000.

The previous prime is 1210244420089. The next prime is 1210244420123.

It is a happy number.

1210244420121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1210244420121 - 2⁵ = 1210244420089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1210244420091 and 1210244420100.

It is not an unprimeable number, because it can be changed into a prime (1210244420123) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 284026131 + ... + 284030391.

It is an arithmetic number, because the mean of its divisors is an integer number (19118581888).

Almost surely, 2^{1210244420121} is an apocalyptic number.

1210244420121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210244420121 is a deficient number, since it is larger than the sum of its proper divisors (625139441127).

1210244420121 is a wasteful number, since it uses less digits than its factorization.

1210244420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4564 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 1210244420121 in words is "one trillion, two hundred ten billion, two hundred forty-four million, four hundred twenty thousand, one hundred twenty-one".