1212430342254 has 16 divisors (see below), whose sum is σ = 2425961419392. Its totient is φ = 403959991608.

The previous prime is 1212430342177. The next prime is 1212430342313. The reversal of 1212430342254 is 4522430342121.

It is a happy number.

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, 45849634 + ... + 45876069.

It is an arithmetic number, because the mean of its divisors is an integer number (151622588712).

Almost surely, 2^{1212430342254} is an apocalyptic number.

1212430342254 is an abundant number, since it is smaller than the sum of its proper divisors (1213531077138).

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

1212430342254 is a wasteful number, since it uses less digits than its factorization.

1212430342254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91727911.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 1212430342254 its reverse (4522430342121), we get a palindrome (5734860684375).

The spelling of 1212430342254 in words is "one trillion, two hundred twelve billion, four hundred thirty million, three hundred forty-two thousand, two hundred fifty-four".