1030203001200 has 120 divisors (see below), whose sum is σ = 3314883056128. Its totient is φ = 273488797440.

The previous prime is 1030203001189. The next prime is 1030203001241. The reversal of 1030203001200 is 21003020301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1030203001200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 1657294 + ... + 2192493.

Almost surely, 2^{1030203001200} is an apocalyptic number.

1030203001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030203001200 is an abundant number, since it is smaller than the sum of its proper divisors (2284680054928).

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

1030203001200 is a wasteful number, since it uses less digits than its factorization.

1030203001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850031 (or 3850020 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1030203001200 its reverse (21003020301), we get a palindrome (1051206021501).

The spelling of 1030203001200 in words is "one trillion, thirty billion, two hundred three million, one thousand, two hundred".