4151123213212 has 12 divisors (see below), whose sum is σ = 7460802532120. Its totient is φ = 2019465346896.

The previous prime is 4151123213203. The next prime is 4151123213219. The reversal of 4151123213212 is 2123123211514.

It is a super-2 number, since 2×4151123213212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4151123213219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14024064762 + ... + 14024065057.

Almost surely, 2^{4151123213212} is an apocalyptic number.

It is an amenable number.

4151123213212 is a deficient number, since it is larger than the sum of its proper divisors (3309679318908).

4151123213212 is a wasteful number, since it uses less digits than its factorization.

4151123213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28048129860 (or 28048129858 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

Adding to 4151123213212 its reverse (2123123211514), we get a palindrome (6274246424726).

The spelling of 4151123213212 in words is "four trillion, one hundred fifty-one billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred twelve".