1210234320121 has 16 divisors (see below), whose sum is σ = 1242393380928. Its totient is φ = 1178598136000.

The previous prime is 1210234320019. The next prime is 1210234320133.

1210234320121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1210234320121 - 2⁷ = 1210234319993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210234320092 and 1210234320101.

It is not an unprimeable number, because it can be changed into a prime (1210234320721) 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, 1584951 + ... + 2220931.

It is an arithmetic number, because the mean of its divisors is an integer number (77649586308).

Almost surely, 2^{1210234320121} is an apocalyptic number.

It is an amenable number.

1210234320121 is a deficient number, since it is larger than the sum of its proper divisors (32159060807).

1210234320121 is a wasteful number, since it uses less digits than its factorization.

1210234320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636392.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 1210234320121 in words is "one trillion, two hundred ten billion, two hundred thirty-four million, three hundred twenty thousand, one hundred twenty-one".