21214052061346 has 16 divisors (see below), whose sum is σ = 32368378291200. Its totient is φ = 10425796812288.

The previous prime is 21214052061331. The next prime is 21214052061347. The reversal of 21214052061346 is 64316025041212.

It is a super-3 number, since 3×21214052061346³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (21214052061347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301009951 + ... + 301080418.

It is an arithmetic number, because the mean of its divisors is an integer number (2023023643200).

Almost surely, 2^{21214052061346} is an apocalyptic number.

21214052061346 is a deficient number, since it is larger than the sum of its proper divisors (11154326229854).

21214052061346 is a wasteful number, since it uses less digits than its factorization.

21214052061346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602090673.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 21214052061346 in words is "twenty-one trillion, two hundred fourteen billion, fifty-two million, sixty-one thousand, three hundred forty-six".