1012121424501 has 16 divisors (see below), whose sum is σ = 1492911502848. Its totient is φ = 604767388400.

The previous prime is 1012121424497. The next prime is 1012121424527. The reversal of 1012121424501 is 1054241212101.

It is a cyclic number.

It is not a de Polignac number, because 1012121424501 - 2² = 1012121424497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012121424101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215986011 + ... + 215990696.

It is an arithmetic number, because the mean of its divisors is an integer number (93306968928).

Almost surely, 2^{1012121424501} is an apocalyptic number.

1012121424501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012121424501 is a deficient number, since it is larger than the sum of its proper divisors (480790078347).

1012121424501 is a wasteful number, since it uses less digits than its factorization.

1012121424501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431976792.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 1012121424501 its reverse (1054241212101), we get a palindrome (2066362636602).

The spelling of 1012121424501 in words is "one trillion, twelve billion, one hundred twenty-one million, four hundred twenty-four thousand, five hundred one".