1203213133100 has 36 divisors (see below), whose sum is σ = 2848333637688. Its totient is φ = 437532048000.

The previous prime is 1203213133039. The next prime is 1203213133139. The reversal of 1203213133100 is 13313123021.

It is a super-2 number, since 2×1203213133100² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546913961 + ... + 546916160.

Almost surely, 2^{1203213133100} is an apocalyptic number.

1203213133100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203213133100 is an abundant number, since it is smaller than the sum of its proper divisors (1645120504588).

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

1203213133100 is a wasteful number, since it uses less digits than its factorization.

1203213133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093830146 (or 1093830139 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1203213133100 its reverse (13313123021), we get a palindrome (1216526256121).

The spelling of 1203213133100 in words is "one trillion, two hundred three billion, two hundred thirteen million, one hundred thirty-three thousand, one hundred".