212020032312 has 72 divisors (see below), whose sum is σ = 631168476120. Its totient is φ = 64248492000.

The previous prime is 212020032307. The next prime is 212020032317. The reversal of 212020032312 is 213230020212.

212020032312 is a `hidden beast` number, since 2 + 120 + 200 + 32 + 312 = 666.

212020032312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212020032307) and next prime (212020032317).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020032317) 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 17 ways as a sum of consecutive naturals, for example, 12159564 + ... + 12176987.

It is an arithmetic number, because the mean of its divisors is an integer number (8766228835).

Almost surely, 2^212020032312 is an apocalyptic number.

212020032312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212020032312 is an abundant number, since it is smaller than the sum of its proper divisors (419148443808).

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

212020032312 is a wasteful number, since it uses less digits than its factorization.

212020032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24336585 (or 24336567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020032312 its reverse (213230020212), we get a palindrome (425250052524).

It can be divided in two parts, 2120200 and 32312, that added together give a palindrome (2152512).

The spelling of 212020032312 in words is "two hundred twelve billion, twenty million, thirty-two thousand, three hundred twelve".