142012214420 has 12 divisors (see below), whose sum is σ = 298225650324. Its totient is φ = 56804885760.

The previous prime is 142012214371. The next prime is 142012214423. The reversal of 142012214420 is 24412210241.

It can be written as a sum of positive squares in 2 ways, for example, as 85583162116 + 56429052304 = 292546^2 + 237548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142012214423) 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, 3550305341 + ... + 3550305380.

It is an arithmetic number, because the mean of its divisors is an integer number (24852137527).

Almost surely, 2^142012214420 is an apocalyptic number.

142012214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142012214420 is an abundant number, since it is smaller than the sum of its proper divisors (156213435904).

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

142012214420 is a wasteful number, since it uses less digits than its factorization.

142012214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7100610730 (or 7100610728 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 142012214420 its reverse (24412210241), we get a palindrome (166424424661).

The spelling of 142012214420 in words is "one hundred forty-two billion, twelve million, two hundred fourteen thousand, four hundred twenty".