1331213223012 has 24 divisors (see below), whose sum is σ = 3172252788096. Its totient is φ = 434296512288.

The previous prime is 1331213223001. The next prime is 1331213223031. The reversal of 1331213223012 is 2103223121331.

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, 1180153003 + ... + 1180154130.

It is an arithmetic number, because the mean of its divisors is an integer number (132177199504).

Almost surely, 2^{1331213223012} is an apocalyptic number.

1331213223012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331213223012 is an abundant number, since it is smaller than the sum of its proper divisors (1841039565084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331213223012 is a wasteful number, since it uses less digits than its factorization.

1331213223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360307187 (or 2360307185 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1331213223012 its reverse (2103223121331), we get a palindrome (3434436344343).

The spelling of 1331213223012 in words is "one trillion, three hundred thirty-one billion, two hundred thirteen million, two hundred twenty-three thousand, twelve".