1012121033 has 16 divisors (see below), whose sum is σ = 1268490240. Its totient is φ = 784525200.

The previous prime is 1012121029. The next prime is 1012121053. The reversal of 1012121033 is 3301212101.

It is a cyclic number.

It is not a de Polignac number, because 1012121033 - 2² = 1012121029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012120999 and 1012121017.

It is not an unprimeable number, because it can be changed into a prime (1012121023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19703 + ... + 49116.

It is an arithmetic number, because the mean of its divisors is an integer number (79280640).

Almost surely, 2^1012121033 is an apocalyptic number.

It is an amenable number.

1012121033 is a deficient number, since it is larger than the sum of its proper divisors (256369207).

1012121033 is a wasteful number, since it uses less digits than its factorization.

1012121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69028.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1012121033 is about 31813.8497041776. The cubic root of 1012121033 is about 1004.0241289974.

Adding to 1012121033 its reverse (3301212101), we get a palindrome (4313333134).

The spelling of 1012121033 in words is "one billion, twelve million, one hundred twenty-one thousand, thirty-three".