212113554154 has 8 divisors (see below), whose sum is σ = 318179203488. Its totient is φ = 106053819660.

The previous prime is 212113554139. The next prime is 212113554173. The reversal of 212113554154 is 451455311212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387942 + ... + 1533169.

It is an arithmetic number, because the mean of its divisors is an integer number (39772400436).

Almost surely, 2^212113554154 is an apocalyptic number.

212113554154 is a deficient number, since it is larger than the sum of its proper divisors (106065649334).

212113554154 is a wasteful number, since it uses less digits than its factorization.

212113554154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957420.

The product of its digits is 24000, while the sum is 34.

Adding to 212113554154 its reverse (451455311212), we get a palindrome (663568865366).

The spelling of 212113554154 in words is "two hundred twelve billion, one hundred thirteen million, five hundred fifty-four thousand, one hundred fifty-four".