1233133120540 has 48 divisors (see below), whose sum is σ = 2613799853280. Its totient is φ = 488661073920.

The previous prime is 1233133120507. The next prime is 1233133120543. The reversal of 1233133120540 is 450213313321.

It is a junction number, because it is equal to n+sod(n) for n = 1233133120499 and 1233133120508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233133120543) 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, 267471 + ... + 1593049.

It is an arithmetic number, because the mean of its divisors is an integer number (54454163610).

Almost surely, 2^{1233133120540} is an apocalyptic number.

1233133120540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233133120540 is an abundant number, since it is smaller than the sum of its proper divisors (1380666732740).

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

1233133120540 is a wasteful number, since it uses less digits than its factorization.

1233133120540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326022 (or 1326020 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1233133120540 its reverse (450213313321), we get a palindrome (1683346433861).

The spelling of 1233133120540 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-three million, one hundred twenty thousand, five hundred forty".