203513120212232 has 8 divisors (see below), whose sum is σ = 381587100397950. Its totient is φ = 101756560106112.

The previous prime is 203513120212231. The next prime is 203513120212253. The reversal of 203513120212232 is 232212021315302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 182997963850276 + 20515156361956 = 13527674^2 + 4529366^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 203513120212195 and 203513120212204.

It is not an unprimeable number, because it can be changed into a prime (203513120212231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12719570013257 + ... + 12719570013272.

Almost surely, 2^{203513120212232} is an apocalyptic number.

It is an amenable number.

203513120212232 is a deficient number, since it is larger than the sum of its proper divisors (178073980185718).

203513120212232 is a wasteful number, since it uses less digits than its factorization.

203513120212232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25439140026535 (or 25439140026531 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 203513120212232 its reverse (232212021315302), we get a palindrome (435725141527534).

The spelling of 203513120212232 in words is "two hundred three trillion, five hundred thirteen billion, one hundred twenty million, two hundred twelve thousand, two hundred thirty-two".