2142142041234 has 64 divisors (see below), whose sum is σ = 4651042975488. Its totient is φ = 653819040000.

The previous prime is 2142142041079. The next prime is 2142142041257. The reversal of 2142142041234 is 4321402412412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8126652 + ... + 8386104.

It is an arithmetic number, because the mean of its divisors is an integer number (72672546492).

Almost surely, 2^{2142142041234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142142041234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2325521487744).

2142142041234 is an abundant number, since it is smaller than the sum of its proper divisors (2508900934254).

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

2142142041234 is a wasteful number, since it uses less digits than its factorization.

2142142041234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260323.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 2142142041234 its reverse (4321402412412), we get a palindrome (6463544453646).

The spelling of 2142142041234 in words is "two trillion, one hundred forty-two billion, one hundred forty-two million, forty-one thousand, two hundred thirty-four".