2421012542 has 12 divisors (see below), whose sum is σ = 3932355240. Its totient is φ = 1117390248.

The previous prime is 2421012541. The next prime is 2421012569. The reversal of 2421012542 is 2452101242.

It is a super-2 number, since 2×2421012542² = 11722603457042603528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421012541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3581042 + ... + 3581717.

It is an arithmetic number, because the mean of its divisors is an integer number (327696270).

Almost surely, 2^2421012542 is an apocalyptic number.

2421012542 is a deficient number, since it is larger than the sum of its proper divisors (1511342698).

2421012542 is a wasteful number, since it uses less digits than its factorization.

2421012542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7162787 (or 7162774 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2421012542 is about 49203.7858502778. The cubic root of 2421012542 is about 1342.7619098139.

Adding to 2421012542 its reverse (2452101242), we get a palindrome (4873113784).

The spelling of 2421012542 in words is "two billion, four hundred twenty-one million, twelve thousand, five hundred forty-two".