20120211210099 has 32 divisors (see below), whose sum is σ = 36019399094784. Its totient is φ = 9648053326080.

The previous prime is 20120211210091. The next prime is 20120211210131. The reversal of 20120211210099 is 99001211202102.

It is not a de Polignac number, because 20120211210099 - 2³ = 20120211210091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120211210091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3350015514 + ... + 3350021519.

It is an arithmetic number, because the mean of its divisors is an integer number (1125606221712).

Almost surely, 2^{20120211210099} is an apocalyptic number.

20120211210099 is a deficient number, since it is larger than the sum of its proper divisors (15899187884685).

20120211210099 is a wasteful number, since it uses less digits than its factorization.

20120211210099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700037067.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 20120211210099 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, two hundred ten thousand, ninety-nine".