2012020001121 has 32 divisors (see below), whose sum is σ = 3061472899968. Its totient is φ = 1164390312960.

The previous prime is 2012020001099. The next prime is 2012020001129. The reversal of 2012020001121 is 1211000202102.

It is not a de Polignac number, because 2012020001121 - 2⁷ = 2012020000993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012020001097 and 2012020001106.

It is not an unprimeable number, because it can be changed into a prime (2012020001129) 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, 406515 + ... + 2046776.

It is an arithmetic number, because the mean of its divisors is an integer number (95671028124).

Almost surely, 2^{2012020001121} is an apocalyptic number.

It is an amenable number.

2012020001121 is a deficient number, since it is larger than the sum of its proper divisors (1049452898847).

2012020001121 is a wasteful number, since it uses less digits than its factorization.

2012020001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454561.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2012020001121 its reverse (1211000202102), we get a palindrome (3223020203223).

The spelling of 2012020001121 in words is "two trillion, twelve billion, twenty million, one thousand, one hundred twenty-one".