1420303212 has 72 divisors (see below), whose sum is σ = 3625142976. Its totient is φ = 468854784.

The previous prime is 1420303211. The next prime is 1420303231. The reversal of 1420303212 is 2123030241.

1420303212 is a `hidden beast` number, since 1 + 420 + 30 + 3 + 212 = 666.

It is a super-2 number, since 2×1420303212² = 4034522428035033888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1420303211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2549638 + ... + 2550194.

It is an arithmetic number, because the mean of its divisors is an integer number (50349208).

Almost surely, 2^1420303212 is an apocalyptic number.

1420303212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420303212 is an abundant number, since it is smaller than the sum of its proper divisors (2204839764).

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

1420303212 is a wasteful number, since it uses less digits than its factorization.

1420303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1420303212 is about 37686.9103535962. The cubic root of 1420303212 is about 1124.0708606855.

Adding to 1420303212 its reverse (2123030241), we get a palindrome (3543333453).

The spelling of 1420303212 in words is "one billion, four hundred twenty million, three hundred three thousand, two hundred twelve".