1320121012310 has 16 divisors (see below), whose sum is σ = 2376781383456. Its totient is φ = 527923169088.

The previous prime is 1320121012303. The next prime is 1320121012361. The reversal of 1320121012310 is 132101210231.

It is a super-2 number, since 2×1320121012310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15610202 + ... + 15694541.

It is an arithmetic number, because the mean of its divisors is an integer number (148548836466).

Almost surely, 2^{1320121012310} is an apocalyptic number.

1320121012310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320121012310 is a deficient number, since it is larger than the sum of its proper divisors (1056660371146).

1320121012310 is a wasteful number, since it uses less digits than its factorization.

1320121012310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31308967.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1320121012310 its reverse (132101210231), we get a palindrome (1452222222541).

The spelling of 1320121012310 in words is "one trillion, three hundred twenty billion, one hundred twenty-one million, twelve thousand, three hundred ten".