102443213211204 has 24 divisors (see below), whose sum is σ = 239174855298400. Its totient is φ = 34127639002944.

The previous prime is 102443213211203. The next prime is 102443213211253. The reversal of 102443213211204 is 402112312344201.

It is a happy number.

It is a super-2 number, since 2×102443213211204² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102443213211203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512320529 + ... + 2512361304.

Almost surely, 2^{102443213211204} is an apocalyptic number.

It is an amenable number.

102443213211204 is an abundant number, since it is smaller than the sum of its proper divisors (136731642087196).

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

102443213211204 is a wasteful number, since it uses less digits than its factorization.

102443213211204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024683539 (or 5024683537 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 102443213211204 its reverse (402112312344201), we get a palindrome (504555525555405).

The spelling of 102443213211204 in words is "one hundred two trillion, four hundred forty-three billion, two hundred thirteen million, two hundred eleven thousand, two hundred four".