212001011112090 has 32 divisors (see below), whose sum is σ = 508821430069440. Its totient is φ = 56531491474304.

The previous prime is 212001011112031. The next prime is 212001011112091. The reversal of 212001011112090 is 90211110100212.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212001011112091) 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, 131151360 + ... + 132757979.

It is an arithmetic number, because the mean of its divisors is an integer number (15900669689670).

Almost surely, 2^{212001011112090} is an apocalyptic number.

212001011112090 is an abundant number, since it is smaller than the sum of its proper divisors (296820418957350).

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

212001011112090 is a wasteful number, since it uses less digits than its factorization.

212001011112090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263936126.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 212001011112090 in words is "two hundred twelve trillion, one billion, eleven million, one hundred twelve thousand, ninety".