2011212122000 has 40 divisors (see below), whose sum is σ = 4863110915832. Its totient is φ = 804484848000.

The previous prime is 2011212121999. The next prime is 2011212122011. The reversal of 2011212122000 is 2212121102.

It can be written as a sum of positive squares in 4 ways, for example, as 22017811456 + 1989194310544 = 148384^2 + 1410388^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502801031 + ... + 502805030.

Almost surely, 2^{2011212122000} is an apocalyptic number.

2011212122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011212122000 is an abundant number, since it is smaller than the sum of its proper divisors (2851898793832).

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

2011212122000 is a wasteful number, since it uses less digits than its factorization.

2011212122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005606084 (or 1005606068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011212122000 its reverse (2212121102), we get a palindrome (2013424243102).

The spelling of 2011212122000 in words is "two trillion, eleven billion, two hundred twelve million, one hundred twenty-two thousand".