212112101101010 has 64 divisors (see below), whose sum is σ = 439449915340800. Its totient is φ = 72902570212800.

The previous prime is 212112101101009. The next prime is 212112101101031. The reversal of 212112101101010 is 10101101211212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116835920 + ... + 118637499.

It is an arithmetic number, because the mean of its divisors is an integer number (6866404927200).

Almost surely, 2^{212112101101010} is an apocalyptic number.

212112101101010 is an abundant number, since it is smaller than the sum of its proper divisors (227337814239790).

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

212112101101010 is a wasteful number, since it uses less digits than its factorization.

212112101101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235473887.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212112101101010 its reverse (10101101211212), we get a palindrome (222213202312222).

The spelling of 212112101101010 in words is "two hundred twelve trillion, one hundred twelve billion, one hundred one million, one hundred one thousand, ten".