1023202132100 has 18 divisors (see below), whose sum is σ = 2220348626874. Its totient is φ = 409280852800.

The previous prime is 1023202132097. The next prime is 1023202132109. The reversal of 1023202132100 is 12312023201.

It can be written as a sum of positive squares in 3 ways, for example, as 32747245444 + 990454886656 = 180962^2 + 995216^2 .

It is not an unprimeable number, because it can be changed into a prime (1023202132109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5116010561 + ... + 5116010760.

It is an arithmetic number, because the mean of its divisors is an integer number (123352701493).

Almost surely, 2^{1023202132100} is an apocalyptic number.

1023202132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023202132100 is an abundant number, since it is smaller than the sum of its proper divisors (1197146494774).

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

1023202132100 is a wasteful number, since it uses less digits than its factorization.

1023202132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232021335 (or 10232021328 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1023202132100 its reverse (12312023201), we get a palindrome (1035514155301).

The spelling of 1023202132100 in words is "one trillion, twenty-three billion, two hundred two million, one hundred thirty-two thousand, one hundred".