1212421142401 has 8 divisors (see below), whose sum is σ = 1391674925120. Its totient is φ = 1034680050288.

The previous prime is 1212421142377. The next prime is 1212421142407. The reversal of 1212421142401 is 1042411242121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212421142401 - 2¹³ = 1212421134209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212421142407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378170931 + ... + 378174136.

It is an arithmetic number, because the mean of its divisors is an integer number (173959365640).

Almost surely, 2^{1212421142401} is an apocalyptic number.

It is an amenable number.

1212421142401 is a deficient number, since it is larger than the sum of its proper divisors (179253782719).

1212421142401 is an equidigital number, since it uses as much as digits as its factorization.

1212421142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756345303.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1212421142401 its reverse (1042411242121), we get a palindrome (2254832384522).

The spelling of 1212421142401 in words is "one trillion, two hundred twelve billion, four hundred twenty-one million, one hundred forty-two thousand, four hundred one".