103400021200 has 120 divisors (see below), whose sum is σ = 286834544192. Its totient is φ = 35085864960.

The previous prime is 103400021173. The next prime is 103400021269. The reversal of 103400021200 is 2120004301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81247 + ... + 461953.

Almost surely, 2^103400021200 is an apocalyptic number.

103400021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103400021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143417272096).

103400021200 is an abundant number, since it is smaller than the sum of its proper divisors (183434522992).

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

103400021200 is a wasteful number, since it uses less digits than its factorization.

103400021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380829 (or 380818 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 103400021200 its reverse (2120004301), we get a palindrome (105520025501).

The spelling of 103400021200 in words is "one hundred three billion, four hundred million, twenty-one thousand, two hundred".