1232121211310 has 64 divisors (see below), whose sum is σ = 2435488473600. Its totient is φ = 445077244800.

The previous prime is 1232121211273. The next prime is 1232121211319. The reversal of 1232121211310 is 131121212321.

It is a super-2 number, since 2×1232121211310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232121211319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18263621 + ... + 18330959.

It is an arithmetic number, because the mean of its divisors is an integer number (38054507400).

Almost surely, 2^{1232121211310} is an apocalyptic number.

1232121211310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232121211310 is a deficient number, since it is larger than the sum of its proper divisors (1203367262290).

1232121211310 is a wasteful number, since it uses less digits than its factorization.

1232121211310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68457.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1232121211310 its reverse (131121212321), we get a palindrome (1363242423631).

The spelling of 1232121211310 in words is "one trillion, two hundred thirty-two billion, one hundred twenty-one million, two hundred eleven thousand, three hundred ten".