3451121012 has 18 divisors (see below), whose sum is σ = 6374060658. Its totient is φ = 1634740848.

The previous prime is 3451120963. The next prime is 3451121021. The reversal of 3451121012 is 2101211543.

It can be written as a sum of positive squares in only one way, i.e., 2698386916 + 752734096 = 51946^2 + 27436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1193543 + ... + 1196430.

It is an arithmetic number, because the mean of its divisors is an integer number (354114481).

Almost surely, 2^3451121012 is an apocalyptic number.

It is an amenable number.

3451121012 is a deficient number, since it is larger than the sum of its proper divisors (2922939646).

3451121012 is a wasteful number, since it uses less digits than its factorization.

3451121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390015 (or 2389994 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 3451121012 is about 58746.2425351613. The cubic root of 3451121012 is about 1511.1934503039.

Adding to 3451121012 its reverse (2101211543), we get a palindrome (5552332555).

The spelling of 3451121012 in words is "three billion, four hundred fifty-one million, one hundred twenty-one thousand, twelve".