102400214412 has 12 divisors (see below), whose sum is σ = 238933833656. Its totient is φ = 34133404800.

The previous prime is 102400214393. The next prime is 102400214419. The reversal of 102400214412 is 214412004201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (102400214419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4266675589 + ... + 4266675612.

Almost surely, 2^102400214412 is an apocalyptic number.

102400214412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102400214412 is an abundant number, since it is smaller than the sum of its proper divisors (136533619244).

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

102400214412 is a wasteful number, since it uses less digits than its factorization.

102400214412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533351208 (or 8533351206 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102400214412 its reverse (214412004201), we get a palindrome (316812218613).

The spelling of 102400214412 in words is "one hundred two billion, four hundred million, two hundred fourteen thousand, four hundred twelve".