1012120452 has 36 divisors (see below), whose sum is σ = 2923904256. Its totient is φ = 289177200.

The previous prime is 1012120441. The next prime is 1012120463. The reversal of 1012120452 is 2540212101.

1012120452 is a `hidden beast` number, since 1 + 0 + 1 + 212 + 0 + 452 = 666.

It is an interprime number because it is at equal distance from previous prime (1012120441) and next prime (1012120463).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2007924 + ... + 2008427.

Almost surely, 2^1012120452 is an apocalyptic number.

1012120452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012120452 is an abundant number, since it is smaller than the sum of its proper divisors (1911783804).

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

1012120452 is a wasteful number, since it uses less digits than its factorization.

1012120452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016368 (or 4016363 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1012120452 is about 31813.8405729330. The cubic root of 1012120452 is about 1004.0239368800.

Adding to 1012120452 its reverse (2540212101), we get a palindrome (3552332553).

The spelling of 1012120452 in words is "one billion, twelve million, one hundred twenty thousand, four hundred fifty-two".