3211453121125 has 32 divisors (see below), whose sum is σ = 4281206698080. Its totient is φ = 2396636569600.

The previous prime is 3211453121119. The next prime is 3211453121183. The reversal of 3211453121125 is 5211213541123.

It can be written as a sum of positive squares in 16 ways, for example, as 2829332571844 + 382120549281 = 1682062^2 + 618159^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3211453121125 is a prime.

It is a super-5 number, since 5×3211453121125⁵ (a number of 64 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6446920 + ... + 6927169.

It is an arithmetic number, because the mean of its divisors is an integer number (133787709315).

Almost surely, 2^{3211453121125} is an apocalyptic number.

It is an amenable number.

3211453121125 is a deficient number, since it is larger than the sum of its proper divisors (1069753576955).

3211453121125 is a wasteful number, since it uses less digits than its factorization.

3211453121125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374234 (or 13374224 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

Adding to 3211453121125 its reverse (5211213541123), we get a palindrome (8422666662248).

The spelling of 3211453121125 in words is "three trillion, two hundred eleven billion, four hundred fifty-three million, one hundred twenty-one thousand, one hundred twenty-five".