1210213330123 has 12 divisors (see below), whose sum is σ = 1490610897432. Its totient is φ = 976306551360.

The previous prime is 1210213330069. The next prime is 1210213330133. The reversal of 1210213330123 is 3210333120121.

It is a de Polignac number, because none of the positive numbers 2^k-1210213330123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210213330094 and 1210213330103.

It is not an unprimeable number, because it can be changed into a prime (1210213330133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 726417733 + ... + 726419398.

It is an arithmetic number, because the mean of its divisors is an integer number (124217574786).

Almost surely, 2^{1210213330123} is an apocalyptic number.

1210213330123 is a deficient number, since it is larger than the sum of its proper divisors (280397567309).

1210213330123 is a wasteful number, since it uses less digits than its factorization.

1210213330123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452837162 (or 1452837155 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1210213330123 its reverse (3210333120121), we get a palindrome (4420546450244).

The spelling of 1210213330123 in words is "one trillion, two hundred ten billion, two hundred thirteen million, three hundred thirty thousand, one hundred twenty-three".