1420012211 has 4 divisors (see below), whose sum is σ = 1420370952. Its totient is φ = 1419653472.

The previous prime is 1420012207. The next prime is 1420012219. The reversal of 1420012211 is 1122100241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1420012211 - 2² = 1420012207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420012219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173366 + ... + 181371.

It is an arithmetic number, because the mean of its divisors is an integer number (355092738).

Almost surely, 2^1420012211 is an apocalyptic number.

1420012211 is a deficient number, since it is larger than the sum of its proper divisors (358741).

1420012211 is an equidigital number, since it uses as much as digits as its factorization.

1420012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358740.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1420012211 is about 37683.0493856323. The cubic root of 1420012211 is about 1123.9940864483.

Adding to 1420012211 its reverse (1122100241), we get a palindrome (2542112452).

It can be divided in two parts, 142001 and 2211, that multiplied together give a triangular number (313964211 = T₂₅₀₅₈).

The spelling of 1420012211 in words is "one billion, four hundred twenty million, twelve thousand, two hundred eleven".