12420234004022 has 32 divisors (see below), whose sum is σ = 20325528596352. Its totient is φ = 5657859569664.

The previous prime is 12420234004021. The next prime is 12420234004039. The reversal of 12420234004022 is 22040043202421.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 12420234003982 and 12420234004000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420234004021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5783903 + ... + 7635050.

It is an arithmetic number, because the mean of its divisors is an integer number (635172768636).

Almost surely, 2^{12420234004022} is an apocalyptic number.

12420234004022 is a deficient number, since it is larger than the sum of its proper divisors (7905294592330).

12420234004022 is a wasteful number, since it uses less digits than its factorization.

12420234004022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419432.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12420234004022 its reverse (22040043202421), we get a palindrome (34460277206443).

The spelling of 12420234004022 in words is "twelve trillion, four hundred twenty billion, two hundred thirty-four million, four thousand, twenty-two".