21470546417122 has 32 divisors (see below), whose sum is σ = 35615498010624. Its totient is φ = 9625872104400.

The previous prime is 21470546417053. The next prime is 21470546417141. The reversal of 21470546417122 is 22171464507412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8577154 + ... + 10793917.

It is an arithmetic number, because the mean of its divisors is an integer number (1112984312832).

Almost surely, 2^{21470546417122} is an apocalyptic number.

21470546417122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21470546417122 is a deficient number, since it is larger than the sum of its proper divisors (14144951593502).

21470546417122 is a wasteful number, since it uses less digits than its factorization.

21470546417122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19371774.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 21470546417122 in words is "twenty-one trillion, four hundred seventy billion, five hundred forty-six million, four hundred seventeen thousand, one hundred twenty-two".