3405331123012 has 24 divisors (see below), whose sum is σ = 7334559342656. Its totient is φ = 1347163960608.

The previous prime is 3405331123009. The next prime is 3405331123013. The reversal of 3405331123012 is 2103211335043.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3405331123013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677652278 + ... + 4677653005.

Almost surely, 2^{3405331123012} is an apocalyptic number.

It is an amenable number.

3405331123012 is an abundant number, since it is smaller than the sum of its proper divisors (3929228219644).

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

3405331123012 is a wasteful number, since it uses less digits than its factorization.

3405331123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9355305307 (or 9355305305 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 3405331123012 its reverse (2103211335043), we get a palindrome (5508542458055).

The spelling of 3405331123012 in words is "three trillion, four hundred five billion, three hundred thirty-one million, one hundred twenty-three thousand, twelve".