155300112212 has 24 divisors (see below), whose sum is σ = 311092494720. Its totient is φ = 66451704480.

The previous prime is 155300112211. The next prime is 155300112221. The reversal of 155300112212 is 212211003551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155300112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4377287 + ... + 4412622.

It is an arithmetic number, because the mean of its divisors is an integer number (12962187280).

Almost surely, 2^155300112212 is an apocalyptic number.

It is an amenable number.

155300112212 is an abundant number, since it is smaller than the sum of its proper divisors (155792382508).

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

155300112212 is a wasteful number, since it uses less digits than its factorization.

155300112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790551 (or 8790549 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 155300112212 its reverse (212211003551), we get a palindrome (367511115763).

The spelling of 155300112212 in words is "one hundred fifty-five billion, three hundred million, one hundred twelve thousand, two hundred twelve".