1420140442212 has 60 divisors (see below), whose sum is σ = 3713244764460. Its totient is φ = 473288707584.

The previous prime is 1420140442187. The next prime is 1420140442213. The reversal of 1420140442212 is 2122440410241.

1420140442212 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 1 + 4 + 0 + 442 + 212 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1398840791076 + 21299651136 = 1182726^2 + 145944^2 .

It is a super-2 number, since 2×1420140442212² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1420140442213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1266988 + ... + 2108444.

It is an arithmetic number, because the mean of its divisors is an integer number (61887412741).

Almost surely, 2^{1420140442212} is an apocalyptic number.

1420140442212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1420140442212 is an abundant number, since it is smaller than the sum of its proper divisors (2293104322248).

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

1420140442212 is a wasteful number, since it uses less digits than its factorization.

1420140442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846682 (or 846671 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 1420140442212 its reverse (2122440410241), we get a palindrome (3542580852453).

The spelling of 1420140442212 in words is "one trillion, four hundred twenty billion, one hundred forty million, four hundred forty-two thousand, two hundred twelve".