212020012099 has 32 divisors (see below), whose sum is σ = 251113533440. Its totient is φ = 175175395200.

The previous prime is 212020012079. The next prime is 212020012121. The reversal of 212020012099 is 990210020212.

It is not a de Polignac number, because 212020012099 - 2⁵ = 212020012067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212020012079) 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, 104493817 + ... + 104495845.

It is an arithmetic number, because the mean of its divisors is an integer number (7847297920).

Almost surely, 2^212020012099 is an apocalyptic number.

212020012099 is a deficient number, since it is larger than the sum of its proper divisors (39093521341).

212020012099 is a wasteful number, since it uses less digits than its factorization.

212020012099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 212020012099 in words is "two hundred twelve billion, twenty million, twelve thousand, ninety-nine".