212011310 has 32 divisors (see below), whose sum is σ = 459095040. Its totient is φ = 68863392.

The previous prime is 212011307. The next prime is 212011333. The reversal of 212011310 is 13110212.

It is a super-2 number, since 2×212011310² = 89897591135832200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212011291 and 212011300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78374 + ... + 81033.

It is an arithmetic number, because the mean of its divisors is an integer number (14346720).

Almost surely, 2^212011310 is an apocalyptic number.

212011310 is an abundant number, since it is smaller than the sum of its proper divisors (247083730).

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

212011310 is a wasteful number, since it uses less digits than its factorization.

212011310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159440.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212011310 is about 14560.6081603757. The cubic root of 212011310 is about 596.2837991233.

Adding to 212011310 its reverse (13110212), we get a palindrome (225121522).

The spelling of 212011310 in words is "two hundred twelve million, eleven thousand, three hundred ten".