1420412240221 has 64 divisors (see below), whose sum is σ = 1686314568960. Its totient is φ = 1185000192000.

The previous prime is 1420412240207. The next prime is 1420412240231. The reversal of 1420412240221 is 1220422140241.

It is a cyclic number.

It is not a de Polignac number, because 1420412240221 - 2⁹ = 1420412239709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420412240201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106863586 + ... + 106876876.

It is an arithmetic number, because the mean of its divisors is an integer number (26348665140).

Almost surely, 2^{1420412240221} is an apocalyptic number.

It is an amenable number.

1420412240221 is a deficient number, since it is larger than the sum of its proper divisors (265902328739).

1420412240221 is a wasteful number, since it uses less digits than its factorization.

1420412240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13598.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1420412240221 its reverse (1220422140241), we get a palindrome (2640834380462).

The spelling of 1420412240221 in words is "one trillion, four hundred twenty billion, four hundred twelve million, two hundred forty thousand, two hundred twenty-one".