1332121131220 has 48 divisors (see below), whose sum is σ = 3051874526400. Its totient is φ = 484390840320.

The previous prime is 1332121131199. The next prime is 1332121131223. The reversal of 1332121131220 is 221311212331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1332121131191 and 1332121131200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332121131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7473091 + ... + 7649269.

It is an arithmetic number, because the mean of its divisors is an integer number (63580719300).

Almost surely, 2^{1332121131220} is an apocalyptic number.

1332121131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332121131220 is an abundant number, since it is smaller than the sum of its proper divisors (1719753395180).

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

1332121131220 is a wasteful number, since it uses less digits than its factorization.

1332121131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210568 (or 210566 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1332121131220 its reverse (221311212331), we get a palindrome (1553432343551).

The spelling of 1332121131220 in words is "one trillion, three hundred thirty-two billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred twenty".