1332011131220 has 48 divisors (see below), whose sum is σ = 3487447329408. Its totient is φ = 415172300160.

The previous prime is 1332011131183. The next prime is 1332011131229. The reversal of 1332011131220 is 221311102331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1332011131192 and 1332011131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332011131229) 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, 432469607 + ... + 432472686.

It is an arithmetic number, because the mean of its divisors is an integer number (72655152696).

Almost surely, 2^{1332011131220} is an apocalyptic number.

1332011131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332011131220 is an abundant number, since it is smaller than the sum of its proper divisors (2155436198188).

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

1332011131220 is a wasteful number, since it uses less digits than its factorization.

1332011131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864942320 (or 864942318 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1332011131220 its reverse (221311102331), we get a palindrome (1553322233551).

The spelling of 1332011131220 in words is "one trillion, three hundred thirty-two billion, eleven million, one hundred thirty-one thousand, two hundred twenty".