421432121030 has 16 divisors (see below), whose sum is σ = 758586585744. Its totient is φ = 168570900000.

The previous prime is 421432121029. The next prime is 421432121041. The reversal of 421432121030 is 30121234124.

It is a junction number, because it is equal to n+sod(n) for n = 421432120987 and 421432121005.

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, 937709 + ... + 1312311.

It is an arithmetic number, because the mean of its divisors is an integer number (47411661609).

Almost surely, 2^421432121030 is an apocalyptic number.

421432121030 is a deficient number, since it is larger than the sum of its proper divisors (337154464714).

421432121030 is a wasteful number, since it uses less digits than its factorization.

421432121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487111.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 421432121030 its reverse (30121234124), we get a palindrome (451553355154).

The spelling of 421432121030 in words is "four hundred twenty-one billion, four hundred thirty-two million, one hundred twenty-one thousand, thirty".