2012240212442 has 4 divisors (see below), whose sum is σ = 3018360318666. Its totient is φ = 1006120106220.

The previous prime is 2012240212429. The next prime is 2012240212511. The reversal of 2012240212442 is 2442120422102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1849896491881 + 162343720561 = 1360109^2 + 402919^2 .

It is a super-2 number, since 2×2012240212442² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503060053109 + ... + 503060053112.

Almost surely, 2^{2012240212442} is an apocalyptic number.

2012240212442 is a deficient number, since it is larger than the sum of its proper divisors (1006120106224).

2012240212442 is a wasteful number, since it uses less digits than its factorization.

2012240212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006120106223.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 2012240212442 its reverse (2442120422102), we get a palindrome (4454360634544).

The spelling of 2012240212442 in words is "two trillion, twelve billion, two hundred forty million, two hundred twelve thousand, four hundred forty-two".