421102342132 has 24 divisors (see below), whose sum is σ = 786852513216. Its totient is φ = 196713124608.

The previous prime is 421102342121. The next prime is 421102342159. The reversal of 421102342132 is 231243201124.

It is a junction number, because it is equal to n+sod(n) for n = 421102342097 and 421102342106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53219293 + ... + 53227204.

It is an arithmetic number, because the mean of its divisors is an integer number (32785521384).

Almost surely, 2^421102342132 is an apocalyptic number.

It is an amenable number.

421102342132 is a deficient number, since it is larger than the sum of its proper divisors (365750171084).

421102342132 is a wasteful number, since it uses less digits than its factorization.

421102342132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106446567 (or 106446565 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 421102342132 its reverse (231243201124), we get a palindrome (652345543256).

The spelling of 421102342132 in words is "four hundred twenty-one billion, one hundred two million, three hundred forty-two thousand, one hundred thirty-two".