142212111020 has 72 divisors (see below), whose sum is σ = 347486131440. Its totient is φ = 48746893440.

The previous prime is 142212110987. The next prime is 142212111023. The reversal of 142212111020 is 20111212241.

142212111020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142212111020.

It is not an unprimeable number, because it can be changed into a prime (142212111023) 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, 4817666 + ... + 4847094.

It is an arithmetic number, because the mean of its divisors is an integer number (4826196270).

Almost surely, 2^142212111020 is an apocalyptic number.

142212111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142212111020 is an abundant number, since it is smaller than the sum of its proper divisors (205274020420).

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

142212111020 is a wasteful number, since it uses less digits than its factorization.

142212111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34383 (or 34374 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 142212111020 its reverse (20111212241), we get a palindrome (162323323261).

The spelling of 142212111020 in words is "one hundred forty-two billion, two hundred twelve million, one hundred eleven thousand, twenty".