1213224400142 has 8 divisors (see below), whose sum is σ = 1819858593432. Its totient is φ = 606604869000.

The previous prime is 1213224400139. The next prime is 1213224400151. The reversal of 1213224400142 is 2410044223121.

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

It is a congruent number.

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, 3456284 + ... + 3791087.

It is an arithmetic number, because the mean of its divisors is an integer number (227482324179).

Almost surely, 2^{1213224400142} is an apocalyptic number.

1213224400142 is a deficient number, since it is larger than the sum of its proper divisors (606634193290).

1213224400142 is an equidigital number, since it uses as much as digits as its factorization.

1213224400142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331074.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1213224400142 its reverse (2410044223121), we get a palindrome (3623268623263).

The spelling of 1213224400142 in words is "one trillion, two hundred thirteen billion, two hundred twenty-four million, four hundred thousand, one hundred forty-two".