20135454554212 has 24 divisors (see below), whose sum is σ = 35330643381600. Its totient is φ = 10040985956736.

The previous prime is 20135454554203. The next prime is 20135454554231. The reversal of 20135454554212 is 21245545453102.

It is a super-4 number, since 4×20135454554212⁴ (a number of 54 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 144464268 + ... + 144603580.

It is an arithmetic number, because the mean of its divisors is an integer number (1472110140900).

Almost surely, 2^{20135454554212} is an apocalyptic number.

It is an amenable number.

20135454554212 is a deficient number, since it is larger than the sum of its proper divisors (15195188827388).

20135454554212 is a wasteful number, since it uses less digits than its factorization.

20135454554212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235035 (or 235033 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 20135454554212 in words is "twenty trillion, one hundred thirty-five billion, four hundred fifty-four million, five hundred fifty-four thousand, two hundred twelve".