6212820428451 has 224 divisors, whose sum is σ = 12220764796800. Its totient is φ = 3063538962432.

The previous prime is 6212820428351. The next prime is 6212820428459. The reversal of 6212820428451 is 1548240282126.

It is a happy number.

6212820428451 is a `hidden beast` number, since 6 + 212 + 8 + 2 + 0 + 428 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 6212820428451 - 2¹⁸ = 6212820166307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6212820428397 and 6212820428406.

It is not an unprimeable number, because it can be changed into a prime (6212820428459) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 168018201 + ... + 168055173.

It is an arithmetic number, because the mean of its divisors is an integer number (54556985700).

Almost surely, 2^{6212820428451} is an apocalyptic number.

6212820428451 is a deficient number, since it is larger than the sum of its proper divisors (6007944368349).

6212820428451 is a wasteful number, since it uses less digits than its factorization.

6212820428451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37177 (or 37162 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 6212820428451 in words is "six trillion, two hundred twelve billion, eight hundred twenty million, four hundred twenty-eight thousand, four hundred fifty-one".