142698122812 has 72 divisors (see below), whose sum is σ = 302667176448. Its totient is φ = 58630168800.

The previous prime is 142698122803. The next prime is 142698122813. The reversal of 142698122812 is 218221896241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142698122813) 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, 540387 + ... + 759877.

It is an arithmetic number, because the mean of its divisors is an integer number (4203710784).

Almost surely, 2^142698122812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142698122812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151333588224).

142698122812 is an abundant number, since it is smaller than the sum of its proper divisors (159969053636).

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

142698122812 is a wasteful number, since it uses less digits than its factorization.

142698122812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219647 (or 219638 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The spelling of 142698122812 in words is "one hundred forty-two billion, six hundred ninety-eight million, one hundred twenty-two thousand, eight hundred twelve".