213011211022212 has 96 divisors (see below), whose sum is σ = 507457588176000. Its totient is φ = 69529306688512.

The previous prime is 213011211022199. The next prime is 213011211022243. The reversal of 213011211022212 is 212220112110312.

It is a super-2 number, since 2×213011211022212² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 389750914 + ... + 390297062.

It is an arithmetic number, because the mean of its divisors is an integer number (5286016543500).

Almost surely, 2^{213011211022212} is an apocalyptic number.

It is an amenable number.

213011211022212 is an abundant number, since it is smaller than the sum of its proper divisors (294446377153788).

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

213011211022212 is a wasteful number, since it uses less digits than its factorization.

213011211022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549765 (or 549763 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 213011211022212 its reverse (212220112110312), we get a palindrome (425231323132524).

The spelling of 213011211022212 in words is "two hundred thirteen trillion, eleven billion, two hundred eleven million, twenty-two thousand, two hundred twelve".