212011001010228 has 48 divisors (see below), whose sum is σ = 566542967316480. Its totient is φ = 60448111221984.

The previous prime is 212011001010209. The next prime is 212011001010229. The reversal of 212011001010228 is 822010100110212.

It is a super-2 number, since 2×212011001010228² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011001010229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634553176 + ... + 2634633647.

It is an arithmetic number, because the mean of its divisors is an integer number (11802978485760).

Almost surely, 2^{212011001010228} is an apocalyptic number.

212011001010228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212011001010228 is an abundant number, since it is smaller than the sum of its proper divisors (354531966306252).

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

212011001010228 is a wasteful number, since it uses less digits than its factorization.

212011001010228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269187316 (or 5269187314 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 212011001010228 in words is "two hundred twelve trillion, eleven billion, one million, ten thousand, two hundred twenty-eight".