421120240312 has 8 divisors (see below), whose sum is σ = 789600450600. Its totient is φ = 210560120152.

The previous prime is 421120240243. The next prime is 421120240337. The reversal of 421120240312 is 213042021124.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26320015012 + ... + 26320015027.

It is an arithmetic number, because the mean of its divisors is an integer number (98700056325).

Almost surely, 2^421120240312 is an apocalyptic number.

It is an amenable number.

421120240312 is a deficient number, since it is larger than the sum of its proper divisors (368480210288).

421120240312 is a wasteful number, since it uses less digits than its factorization.

421120240312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52640030045 (or 52640030041 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 421120240312 its reverse (213042021124), we get a palindrome (634162261436).

The spelling of 421120240312 in words is "four hundred twenty-one billion, one hundred twenty million, two hundred forty thousand, three hundred twelve".