3445403521212 has 72 divisors (see below), whose sum is σ = 8912133310080. Its totient is φ = 1121711582880.

The previous prime is 3445403521193. The next prime is 3445403521267. The reversal of 3445403521212 is 2121253045443.

It is a happy number.

3445403521212 is a `hidden beast` number, since 3 + 44 + 54 + 0 + 352 + 1 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67453339 + ... + 67504397.

Almost surely, 2^{3445403521212} is an apocalyptic number.

It is an amenable number.

3445403521212 is an abundant number, since it is smaller than the sum of its proper divisors (5466729788868).

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

3445403521212 is a wasteful number, since it uses less digits than its factorization.

3445403521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94703 (or 94698 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 3445403521212 its reverse (2121253045443), we get a palindrome (5566656566655).

The spelling of 3445403521212 in words is "three trillion, four hundred forty-five billion, four hundred three million, five hundred twenty-one thousand, two hundred twelve".