13445542450212 has 24 divisors (see below), whose sum is σ = 31887242752512. Its totient is φ = 4408374573600.

The previous prime is 13445542450189. The next prime is 13445542450279. The reversal of 13445542450212 is 21205424554431.

It is a super-2 number, since 2×13445542450212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9184112964 + ... + 9184114427.

It is an arithmetic number, because the mean of its divisors is an integer number (1328635114688).

Almost surely, 2^{13445542450212} is an apocalyptic number.

13445542450212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13445542450212 is an abundant number, since it is smaller than the sum of its proper divisors (18441700302300).

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

13445542450212 is a wasteful number, since it uses less digits than its factorization.

13445542450212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18368227459 (or 18368227457 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 13445542450212 in words is "thirteen trillion, four hundred forty-five billion, five hundred forty-two million, four hundred fifty thousand, two hundred twelve".