1420636212 has 48 divisors (see below), whose sum is σ = 3899790720. Its totient is φ = 445689216.

The previous prime is 1420636211. The next prime is 1420636219. The reversal of 1420636212 is 2126360241.

1420636212 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 636 + 21 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420636211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385048 + ... + 388719.

It is an arithmetic number, because the mean of its divisors is an integer number (81245640).

Almost surely, 2^1420636212 is an apocalyptic number.

1420636212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420636212 is an abundant number, since it is smaller than the sum of its proper divisors (2479154508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420636212 is a wasteful number, since it uses less digits than its factorization.

1420636212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773797 (or 773789 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1420636212 is about 37691.3280742401. The cubic root of 1420636212 is about 1124.1587025734.

Adding to 1420636212 its reverse (2126360241), we get a palindrome (3546996453).

The spelling of 1420636212 in words is "one billion, four hundred twenty million, six hundred thirty-six thousand, two hundred twelve".