220144036543212 has 48 divisors (see below), whose sum is σ = 530240789614592. Its totient is φ = 71014019207040.

The previous prime is 220144036543177. The next prime is 220144036543231. The reversal of 220144036543212 is 212345630441022.

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 15 ways as a sum of consecutive naturals, for example, 251469168 + ... + 252343080.

Almost surely, 2^{220144036543212} is an apocalyptic number.

It is an amenable number.

220144036543212 is an abundant number, since it is smaller than the sum of its proper divisors (310096753071380).

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

220144036543212 is a wasteful number, since it uses less digits than its factorization.

220144036543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551118 (or 1551116 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 220144036543212 its reverse (212345630441022), we get a palindrome (432489666984234).

The spelling of 220144036543212 in words is "two hundred twenty trillion, one hundred forty-four billion, thirty-six million, five hundred forty-three thousand, two hundred twelve".