2120011211208 has 128 divisors (see below), whose sum is σ = 6163197696000. Its totient is φ = 600911550720.

The previous prime is 2120011211207. The next prime is 2120011211231. The reversal of 2120011211208 is 8021121100212.

It is a super-3 number, since 3×2120011211208³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2120011211207) 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, 2278735 + ... + 3071262.

It is an arithmetic number, because the mean of its divisors is an integer number (48149982000).

Almost surely, 2^{2120011211208} is an apocalyptic number.

It is an amenable number.

2120011211208 is an abundant number, since it is smaller than the sum of its proper divisors (4043186484792).

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

2120011211208 is a wasteful number, since it uses less digits than its factorization.

2120011211208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350115 (or 5350111 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The spelling of 2120011211208 in words is "two trillion, one hundred twenty billion, eleven million, two hundred eleven thousand, two hundred eight".