1321012230010 has 32 divisors (see below), whose sum is σ = 2619670719744. Its totient is φ = 475611960000.

The previous prime is 1321012229989. The next prime is 1321012230019. The reversal of 1321012230010 is 100322101231.

It is not an unprimeable number, because it can be changed into a prime (1321012230019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59440386 + ... + 59462605.

It is an arithmetic number, because the mean of its divisors is an integer number (81864709992).

Almost surely, 2^{1321012230010} is an apocalyptic number.

1321012230010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321012230010 is a deficient number, since it is larger than the sum of its proper divisors (1298658489734).

1321012230010 is a wasteful number, since it uses less digits than its factorization.

1321012230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118903110.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1321012230010 its reverse (100322101231), we get a palindrome (1421334331241).

The spelling of 1321012230010 in words is "one trillion, three hundred twenty-one billion, twelve million, two hundred thirty thousand, ten".