154212500212 has 12 divisors (see below), whose sum is σ = 269882035360. Its totient is φ = 77103347256.

The previous prime is 154212500191. The next prime is 154212500237. The reversal of 154212500212 is 212005212451.

It is a super-3 number, since 3×154212500212³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603912 + ... + 820447.

Almost surely, 2^154212500212 is an apocalyptic number.

It is an amenable number.

154212500212 is a deficient number, since it is larger than the sum of its proper divisors (115669535148).

154212500212 is a wasteful number, since it uses less digits than its factorization.

154212500212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451430 (or 1451428 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 154212500212 its reverse (212005212451), we get a palindrome (366217712663).

The spelling of 154212500212 in words is "one hundred fifty-four billion, two hundred twelve million, five hundred thousand, two hundred twelve".