1203231013100 has 36 divisors (see below), whose sum is σ = 2622413144400. Its totient is φ = 479190682560.

The previous prime is 1203231013099. The next prime is 1203231013109. The reversal of 1203231013100 is 13101323021.

It is a super-2 number, since 2×1203231013100² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1203231013109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26248520 + ... + 26294319.

Almost surely, 2^{1203231013100} is an apocalyptic number.

1203231013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203231013100 is an abundant number, since it is smaller than the sum of its proper divisors (1419182131300).

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

1203231013100 is a wasteful number, since it uses less digits than its factorization.

1203231013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52543082 (or 52543075 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1203231013100 its reverse (13101323021), we get a palindrome (1216332336121).

The spelling of 1203231013100 in words is "one trillion, two hundred three billion, two hundred thirty-one million, thirteen thousand, one hundred".