212140234110042 has 144 divisors (see below), whose sum is σ = 536749422168960. Its totient is φ = 60376934003904.

The previous prime is 212140234110011. The next prime is 212140234110071. The reversal of 212140234110042 is 240011432041212.

212140234110042 is a `hidden beast` number, since 2 + 1 + 214 + 0 + 2 + 341 + 100 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 212140234109988 and 212140234110015.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5572500184 + ... + 5572538252.

It is an arithmetic number, because the mean of its divisors is an integer number (3727426542840).

Almost surely, 2^{212140234110042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212140234110042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268374711084480).

212140234110042 is an abundant number, since it is smaller than the sum of its proper divisors (324609188058918).

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

212140234110042 is a wasteful number, since it uses less digits than its factorization.

212140234110042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62377 (or 62367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 212140234110042 its reverse (240011432041212), we get a palindrome (452151666151254).

The spelling of 212140234110042 in words is "two hundred twelve trillion, one hundred forty billion, two hundred thirty-four million, one hundred ten thousand, forty-two".