1212401423102 has 4 divisors (see below), whose sum is σ = 1818602134656. Its totient is φ = 606200711550.

The previous prime is 1212401423089. The next prime is 1212401423131. The reversal of 1212401423102 is 2013241042121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303100355774 + ... + 303100355777.

It is an arithmetic number, because the mean of its divisors is an integer number (454650533664).

Almost surely, 2^{1212401423102} is an apocalyptic number.

1212401423102 is a deficient number, since it is larger than the sum of its proper divisors (606200711554).

1212401423102 is an equidigital number, since it uses as much as digits as its factorization.

1212401423102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606200711553.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1212401423102 its reverse (2013241042121), we get a palindrome (3225642465223).

The spelling of 1212401423102 in words is "one trillion, two hundred twelve billion, four hundred one million, four hundred twenty-three thousand, one hundred two".