2020111121212 has 6 divisors (see below), whose sum is σ = 3535194462128. Its totient is φ = 1010055560604.

The previous prime is 2020111121173. The next prime is 2020111121213. The reversal of 2020111121212 is 2121211110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020111121213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252513890148 + ... + 252513890155.

Almost surely, 2^{2020111121212} is an apocalyptic number.

It is an amenable number.

2020111121212 is a deficient number, since it is larger than the sum of its proper divisors (1515083340916).

2020111121212 is a wasteful number, since it uses less digits than its factorization.

2020111121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505027780307 (or 505027780305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2020111121212 its reverse (2121211110202), we get a palindrome (4141322231414).

The spelling of 2020111121212 in words is "two trillion, twenty billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twelve".