1210342430121 has 24 divisors (see below), whose sum is σ = 1785133584192. Its totient is φ = 728868597600.

The previous prime is 1210342430071. The next prime is 1210342430131.

1210342430121 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1210342430121 - 2¹¹ = 1210342428073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210342430091 and 1210342430100.

It is not an unprimeable number, because it can be changed into a prime (1210342430131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10561725 + ... + 10675706.

It is an arithmetic number, because the mean of its divisors is an integer number (74380566008).

Almost surely, 2^{1210342430121} is an apocalyptic number.

1210342430121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1210342430121 is a deficient number, since it is larger than the sum of its proper divisors (574791154071).

1210342430121 is a wasteful number, since it uses less digits than its factorization.

1210342430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21237613 (or 21237602 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 1210342430121 in words is "one trillion, two hundred ten billion, three hundred forty-two million, four hundred thirty thousand, one hundred twenty-one".