420401212344210 has 32 divisors (see below), whose sum is σ = 1012686020013312. Its totient is φ = 111693311026560.

The previous prime is 420401212344203. The next prime is 420401212344227. The reversal of 420401212344210 is 12443212104024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25854924979 + ... + 25854941238.

It is an arithmetic number, because the mean of its divisors is an integer number (31646438125416).

Almost surely, 2^{420401212344210} is an apocalyptic number.

420401212344210 is an abundant number, since it is smaller than the sum of its proper divisors (592284807669102).

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

420401212344210 is a wasteful number, since it uses less digits than its factorization.

420401212344210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51709866498.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 420401212344210 its reverse (12443212104024), we get a palindrome (432844424448234).

The spelling of 420401212344210 in words is "four hundred twenty trillion, four hundred one billion, two hundred twelve million, three hundred forty-four thousand, two hundred ten".