2431221242012 has 48 divisors (see below), whose sum is σ = 4616090519040. Its totient is φ = 1115941838592.

The previous prime is 2431221241949. The next prime is 2431221242101. The reversal of 2431221242012 is 2102421221342.

It is a happy number.

It is a super-2 number, since 2×2431221242012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524143 + ... + 2680569.

It is an arithmetic number, because the mean of its divisors is an integer number (96168552480).

Almost surely, 2^{2431221242012} is an apocalyptic number.

It is an amenable number.

2431221242012 is a deficient number, since it is larger than the sum of its proper divisors (2184869277028).

2431221242012 is a wasteful number, since it uses less digits than its factorization.

2431221242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157210 (or 1157208 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2431221242012 its reverse (2102421221342), we get a palindrome (4533642463354).

The spelling of 2431221242012 in words is "two trillion, four hundred thirty-one billion, two hundred twenty-one million, two hundred forty-two thousand, twelve".