155012002210 has 64 divisors (see below), whose sum is σ = 317072931840. Its totient is φ = 54131489280.

The previous prime is 155012002193. The next prime is 155012002217. The reversal of 155012002210 is 12200210551.

155012002210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (155012002217) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 25146 + ... + 557365.

It is an arithmetic number, because the mean of its divisors is an integer number (4954264560).

Almost surely, 2^155012002210 is an apocalyptic number.

155012002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155012002210 is an abundant number, since it is smaller than the sum of its proper divisors (162060929630).

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

155012002210 is a wasteful number, since it uses less digits than its factorization.

155012002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582643.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 155012002210 its reverse (12200210551), we get a palindrome (167212212761).

The spelling of 155012002210 in words is "one hundred fifty-five billion, twelve million, two thousand, two hundred ten".