1213421754274 has 8 divisors (see below), whose sum is σ = 1820142120960. Its totient is φ = 606707713956.

The previous prime is 1213421754247. The next prime is 1213421754299. The reversal of 1213421754274 is 4724571243121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1213421754274.

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, 1068834 + ... + 1889245.

It is an arithmetic number, because the mean of its divisors is an integer number (227517765120).

Almost surely, 2^{1213421754274} is an apocalyptic number.

1213421754274 is a deficient number, since it is larger than the sum of its proper divisors (606720366686).

1213421754274 is a wasteful number, since it uses less digits than its factorization.

1213421754274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3163184.

The product of its digits is 376320, while the sum is 43.

Adding to 1213421754274 its reverse (4724571243121), we get a palindrome (5937992997395).

The spelling of 1213421754274 in words is "one trillion, two hundred thirteen billion, four hundred twenty-one million, seven hundred fifty-four thousand, two hundred seventy-four".