1333020121020 has 144 divisors (see below), whose sum is σ = 4666890691008. Its totient is φ = 301673548800.

The previous prime is 1333020120989. The next prime is 1333020121061. The reversal of 1333020121020 is 201210203331.

1333020121020 is a `hidden beast` number, since 133 + 302 + 0 + 1 + 210 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1333020120984 and 1333020121002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5110129 + ... + 5364648.

It is an arithmetic number, because the mean of its divisors is an integer number (32408963132).

Almost surely, 2^{1333020121020} is an apocalyptic number.

1333020121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333020121020 is an abundant number, since it is smaller than the sum of its proper divisors (3333870569988).

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

1333020121020 is a wasteful number, since it uses less digits than its factorization.

1333020121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474900 (or 10474895 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1333020121020 its reverse (201210203331), we get a palindrome (1534230324351).

The spelling of 1333020121020 in words is "one trillion, three hundred thirty-three billion, twenty million, one hundred twenty-one thousand, twenty".