421201430142132 has 12 divisors (see below), whose sum is σ = 982803336998336. Its totient is φ = 140400476714040.

The previous prime is 421201430142113. The next prime is 421201430142133. The reversal of 421201430142132 is 231241034102124.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 421201430142132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421201430142133) 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, 17550059589244 + ... + 17550059589267.

Almost surely, 2^{421201430142132} is an apocalyptic number.

It is an amenable number.

421201430142132 is an abundant number, since it is smaller than the sum of its proper divisors (561601906856204).

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

421201430142132 is a wasteful number, since it uses less digits than its factorization.

421201430142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35100119178518 (or 35100119178516 counting only the distinct ones).

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

Adding to 421201430142132 its reverse (231241034102124), we get a palindrome (652442464244256).

The spelling of 421201430142132 in words is "four hundred twenty-one trillion, two hundred one billion, four hundred thirty million, one hundred forty-two thousand, one hundred thirty-two".