142162212 has 12 divisors (see below), whose sum is σ = 331711856. Its totient is φ = 47387400.

The previous prime is 142162193. The next prime is 142162213. The reversal of 142162212 is 212261241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (142162213) 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, 5923414 + ... + 5923437.

Almost surely, 2^142162212 is an apocalyptic number.

142162212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142162212 is an abundant number, since it is smaller than the sum of its proper divisors (189549644).

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

142162212 is a wasteful number, since it uses less digits than its factorization.

142162212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846858 (or 11846856 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 142162212 is about 11923.1796094834. The cubic root of 142162212 is about 521.9089255534.

The spelling of 142162212 in words is "one hundred forty-two million, one hundred sixty-two thousand, two hundred twelve".