142162212100 has 18 divisors (see below), whose sum is σ = 308492000474. Its totient is φ = 56864884800.

The previous prime is 142162212061. The next prime is 142162212103. The reversal of 142162212100 is 1212261241.

It can be written as a sum of positive squares in 3 ways, for example, as 2028781764 + 140133430336 = 45042^2 + 374344^2 .

It is not an unprimeable number, because it can be changed into a prime (142162212103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 710810961 + ... + 710811160.

Almost surely, 2^142162212100 is an apocalyptic number.

142162212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142162212100 is an abundant number, since it is smaller than the sum of its proper divisors (166329788374).

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

142162212100 is a wasteful number, since it uses less digits than its factorization.

142162212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421622135 (or 1421622128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 142162212100 its reverse (1212261241), we get a palindrome (143374473341).

The spelling of 142162212100 in words is "one hundred forty-two billion, one hundred sixty-two million, two hundred twelve thousand, one hundred".