1331000233122 has 32 divisors (see below), whose sum is σ = 3042396432000. Its totient is φ = 380272007808.

The previous prime is 1331000233109. The next prime is 1331000233139. The reversal of 1331000233122 is 2213320001331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629254 + ... + 1748702.

It is an arithmetic number, because the mean of its divisors is an integer number (95074888500).

Almost surely, 2^{1331000233122} is an apocalyptic number.

1331000233122 is an abundant number, since it is smaller than the sum of its proper divisors (1711396198878).

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

1331000233122 is a wasteful number, since it uses less digits than its factorization.

1331000233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147770.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1331000233122 its reverse (2213320001331), we get a palindrome (3544320234453).

The spelling of 1331000233122 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-three thousand, one hundred twenty-two".