212020000021122 has 8 divisors (see below), whose sum is σ = 424040000042256. Its totient is φ = 70673333340372.

The previous prime is 212020000021111. The next prime is 212020000021169. The reversal of 212020000021122 is 221120000020212.

It is a sphenic number, since it is the product of 3 distinct primes.

212020000021122 is an admirable number.

It is a super-2 number, since 2×212020000021122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17668333335088 + ... + 17668333335099.

It is an arithmetic number, because the mean of its divisors is an integer number (53005000005282).

Almost surely, 2^{212020000021122} is an apocalyptic number.

212020000021122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212020000021122 is a wasteful number, since it uses less digits than its factorization.

212020000021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336666670192.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212020000021122 its reverse (221120000020212), we get a palindrome (433140000041334).

The spelling of 212020000021122 in words is "two hundred twelve trillion, twenty billion, twenty-one thousand, one hundred twenty-two".