212041011 has 32 divisors (see below), whose sum is σ = 359976960. Its totient is φ = 107985024.

The previous prime is 212040989. The next prime is 212041021. The reversal of 212041011 is 110140212.

It is a happy number.

It is not a de Polignac number, because 212041011 - 2¹³ = 212032819 is a prime.

It is a super-2 number, since 2×212041011² = 89922780691804242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212041021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5475 + ... + 21308.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^212041011 is an apocalyptic number.

212041011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212041011 is a deficient number, since it is larger than the sum of its proper divisors (147935949).

212041011 is a wasteful number, since it uses less digits than its factorization.

212041011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26835.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 212041011 is about 14561.6280339803. The cubic root of 212041011 is about 596.3116426035.

Adding to 212041011 its reverse (110140212), we get a palindrome (322181223).

The spelling of 212041011 in words is "two hundred twelve million, forty-one thousand, eleven".