212201332331220 has 96 divisors (see below), whose sum is σ = 660189573469440. Its totient is φ = 56586366184320.

The previous prime is 212201332331189. The next prime is 212201332331239. The reversal of 212201332331220 is 22133233102212.

212201332331220 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 0 + 1 + 3 + 323 + 312 + 20 = 666.

212201332331220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45282154 + ... + 49748126.

It is an arithmetic number, because the mean of its divisors is an integer number (6876974723640).

Almost surely, 2^{212201332331220} is an apocalyptic number.

212201332331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201332331220 is an abundant number, since it is smaller than the sum of its proper divisors (447988241138220).

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

212201332331220 is a wasteful number, since it uses less digits than its factorization.

212201332331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553982 (or 4553974 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212201332331220 its reverse (22133233102212), we get a palindrome (234334565433432).

The spelling of 212201332331220 in words is "two hundred twelve trillion, two hundred one billion, three hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty".