45221621012000 has 96 divisors (see below), whose sum is σ = 111984402216960. Its totient is φ = 17946217900800.

The previous prime is 45221621011979. The next prime is 45221621012021. The reversal of 45221621012000 is 21012612254.

It is an interprime number because it is at equal distance from previous prime (45221621011979) and next prime (45221621012021).

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 15 ways as a sum of consecutive naturals, for example, 44001470 + ... + 45017469.

It is an arithmetic number, because the mean of its divisors is an integer number (1166504189760).

Almost surely, 2^{45221621012000} is an apocalyptic number.

45221621012000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45221621012000 is an abundant number, since it is smaller than the sum of its proper divisors (66762781204960).

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

45221621012000 is a wasteful number, since it uses less digits than its factorization.

45221621012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89019091 (or 89019073 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 45221621012000 its reverse (21012612254), we get a palindrome (45242633624254).

The spelling of 45221621012000 in words is "forty-five trillion, two hundred twenty-one billion, six hundred twenty-one million, twelve thousand".