1203420214100 has 72 divisors (see below), whose sum is σ = 2812524367128. Its totient is φ = 444304396800.

The previous prime is 1203420214033. The next prime is 1203420214141. The reversal of 1203420214100 is 14120243021.

It can be written as a sum of positive squares in 12 ways, for example, as 877867806916 + 325552407184 = 936946^2 + 570572^2 .

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 20850482 + ... + 20908118.

Almost surely, 2^{1203420214100} is an apocalyptic number.

1203420214100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203420214100 is an abundant number, since it is smaller than the sum of its proper divisors (1609104153028).

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

1203420214100 is a wasteful number, since it uses less digits than its factorization.

1203420214100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73725 (or 73718 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1203420214100 its reverse (14120243021), we get a palindrome (1217540457121).

The spelling of 1203420214100 in words is "one trillion, two hundred three billion, four hundred twenty million, two hundred fourteen thousand, one hundred".