1210132021312 has 28 divisors (see below), whose sum is σ = 2401812842796. Its totient is φ = 604950832640.

The previous prime is 1210132021279. The next prime is 1210132021379. The reversal of 1210132021312 is 2131202310121.

It can be written as a sum of positive squares in 2 ways, for example, as 719538241536 + 490593779776 = 848256^2 + 700424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210132021312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460323 + ... + 2133730.

Almost surely, 2^{1210132021312} is an apocalyptic number.

It is an amenable number.

1210132021312 is a deficient number, since it is larger than the sum of its proper divisors (1191680821484).

1210132021312 is an equidigital number, since it uses as much as digits as its factorization.

1210132021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599326 (or 3599316 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1210132021312 its reverse (2131202310121), we get a palindrome (3341334331433).

The spelling of 1210132021312 in words is "one trillion, two hundred ten billion, one hundred thirty-two million, twenty-one thousand, three hundred twelve".