12210142056434 has 8 divisors (see below), whose sum is σ = 20931672096768. Its totient is φ = 5232918024180.

The previous prime is 12210142056403. The next prime is 12210142056493. The reversal of 12210142056434 is 43465024101221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12210142056394 and 12210142056403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436076502002 + ... + 436076502029.

It is an arithmetic number, because the mean of its divisors is an integer number (2616459012096).

Almost surely, 2^{12210142056434} is an apocalyptic number.

12210142056434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12210142056434 is a deficient number, since it is larger than the sum of its proper divisors (8721530040334).

12210142056434 is an equidigital number, since it uses as much as digits as its factorization.

12210142056434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872153004040.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 12210142056434 its reverse (43465024101221), we get a palindrome (55675166157655).

The spelling of 12210142056434 in words is "twelve trillion, two hundred ten billion, one hundred forty-two million, fifty-six thousand, four hundred thirty-four".