1200133440220 has 48 divisors (see below), whose sum is σ = 2960888662368. Its totient is φ = 402841992960.

The previous prime is 1200133440139. The next prime is 1200133440251. The reversal of 1200133440220 is 220443310021.

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 = 1200133440191 and 1200133440200.

It is a congruent number.

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, 209810679 + ... + 209816398.

It is an arithmetic number, because the mean of its divisors is an integer number (61685180466).

Almost surely, 2^{1200133440220} is an apocalyptic number.

1200133440220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200133440220 is an abundant number, since it is smaller than the sum of its proper divisors (1760755222148).

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

1200133440220 is a wasteful number, since it uses less digits than its factorization.

1200133440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419627110 (or 419627108 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1200133440220 its reverse (220443310021), we get a palindrome (1420576750241).

The spelling of 1200133440220 in words is "one trillion, two hundred billion, one hundred thirty-three million, four hundred forty thousand, two hundred twenty".