1012441021431 has 32 divisors (see below), whose sum is σ = 1624036262400. Its totient is φ = 548064506880.

The previous prime is 1012441021307. The next prime is 1012441021433. The reversal of 1012441021431 is 1341201442101.

It is a happy number.

It is not a de Polignac number, because 1012441021431 - 2¹¹ = 1012441019383 is a prime.

It is a super-2 number, since 2×1012441021431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012441021433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12952875 + ... + 13030803.

It is an arithmetic number, because the mean of its divisors is an integer number (50751133200).

Almost surely, 2^{1012441021431} is an apocalyptic number.

1012441021431 is a deficient number, since it is larger than the sum of its proper divisors (611595240969).

1012441021431 is a wasteful number, since it uses less digits than its factorization.

1012441021431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110519.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1012441021431 its reverse (1341201442101), we get a palindrome (2353642463532).

The spelling of 1012441021431 in words is "one trillion, twelve billion, four hundred forty-one million, twenty-one thousand, four hundred thirty-one".