3420203613412 has 12 divisors (see below), whose sum is σ = 5987592186940. Its totient is φ = 1709462988576.

The previous prime is 3420203613373. The next prime is 3420203613439. The reversal of 3420203613412 is 2143163020243.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 262559908836 + 3157643704576 = 512406^2 + 1776976^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159692487 + ... + 159713902.

Almost surely, 2^{3420203613412} is an apocalyptic number.

It is an amenable number.

3420203613412 is a deficient number, since it is larger than the sum of its proper divisors (2567388573528).

3420203613412 is a wasteful number, since it uses less digits than its factorization.

3420203613412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319409070 (or 319409068 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 3420203613412 its reverse (2143163020243), we get a palindrome (5563366633655).

The spelling of 3420203613412 in words is "three trillion, four hundred twenty billion, two hundred three million, six hundred thirteen thousand, four hundred twelve".