2012030121 has 32 divisors (see below), whose sum is σ = 2949125760. Its totient is φ = 1214495744.

The previous prime is 2012030093. The next prime is 2012030123. The reversal of 2012030121 is 1210302102.

It is a cyclic number.

It is not a de Polignac number, because 2012030121 - 2⁶ = 2012030057 is a prime.

It is a super-2 number, since 2×2012030121² = 8096530415622549282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012030097 and 2012030106.

It is not an unprimeable number, because it can be changed into a prime (2012030123) 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, 431026 + ... + 435668.

It is an arithmetic number, because the mean of its divisors is an integer number (92160180).

Almost surely, 2^2012030121 is an apocalyptic number.

It is an amenable number.

2012030121 is a deficient number, since it is larger than the sum of its proper divisors (937095639).

2012030121 is a wasteful number, since it uses less digits than its factorization.

2012030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2012030121 is about 44855.6587400074. The cubic root of 2012030121 is about 1262.4421688505.

Adding to 2012030121 its reverse (1210302102), we get a palindrome (3222332223).

The spelling of 2012030121 in words is "two billion, twelve million, thirty thousand, one hundred twenty-one".