6122221520415 has 192 divisors, whose sum is σ = 14091511472640. Its totient is φ = 2224974044160.

The previous prime is 6122221520411. The next prime is 6122221520417. The reversal of 6122221520415 is 5140251222216.

It is not a de Polignac number, because 6122221520415 - 2² = 6122221520411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6122221520411) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 464137 + ... + 3529853.

It is an arithmetic number, because the mean of its divisors is an integer number (73393288920).

Almost surely, 2^{6122221520415} is an apocalyptic number.

6122221520415 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6122221520415 is an abundant number, since it is smaller than the sum of its proper divisors (7969289952225).

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

6122221520415 is a wasteful number, since it uses less digits than its factorization.

6122221520415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065782 (or 3065775 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 6122221520415 in words is "six trillion, one hundred twenty-two billion, two hundred twenty-one million, five hundred twenty thousand, four hundred fifteen".