1203345012100 has 108 divisors (see below), whose sum is σ = 3280259063872. Its totient is φ = 375068548800.

The previous prime is 1203345012041. The next prime is 1203345012109. The reversal of 1203345012100 is 12105433021.

It is a happy number.

It is a super-3 number, since 3×1203345012100³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1203345012109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7018872 + ... + 7188271.

Almost surely, 2^{1203345012100} is an apocalyptic number.

1203345012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203345012100 is an abundant number, since it is smaller than the sum of its proper divisors (2076914051772).

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

1203345012100 is a wasteful number, since it uses less digits than its factorization.

1203345012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14207186 (or 14207168 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 1203345012100 in words is "one trillion, two hundred three billion, three hundred forty-five million, twelve thousand, one hundred".