20121234242060 has 24 divisors (see below), whose sum is σ = 48290962181280. Its totient is φ = 6898708882944.

The previous prime is 20121234242041. The next prime is 20121234242071. The reversal of 20121234242060 is 6024243212102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71861550725 + ... + 71861551004.

It is an arithmetic number, because the mean of its divisors is an integer number (2012123424220).

Almost surely, 2^{20121234242060} is an apocalyptic number.

20121234242060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20121234242060 is an abundant number, since it is smaller than the sum of its proper divisors (28169727939220).

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

20121234242060 is a wasteful number, since it uses less digits than its factorization.

20121234242060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143723101745 (or 143723101743 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 20121234242060 its reverse (6024243212102), we get a palindrome (26145477454162).

The spelling of 20121234242060 in words is "twenty trillion, one hundred twenty-one billion, two hundred thirty-four million, two hundred forty-two thousand, sixty".