1233220420100 has 36 divisors (see below), whose sum is σ = 2816935069200. Its totient is φ = 467325632160.

The previous prime is 1233220420097. The next prime is 1233220420127. The reversal of 1233220420100 is 10240223321.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324529790 + ... + 324533589.

Almost surely, 2^{1233220420100} is an apocalyptic number.

1233220420100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233220420100 is an abundant number, since it is smaller than the sum of its proper divisors (1583714649100).

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

1233220420100 is a wasteful number, since it uses less digits than its factorization.

1233220420100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649063412 (or 649063405 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1233220420100 its reverse (10240223321), we get a palindrome (1243460643421).

The spelling of 1233220420100 in words is "one trillion, two hundred thirty-three billion, two hundred twenty million, four hundred twenty thousand, one hundred".