1202042112 has 144 divisors (see below), whose sum is σ = 3418222080. Its totient is φ = 374169600.

The previous prime is 1202042111. The next prime is 1202042113. The reversal of 1202042112 is 2112402021.

It is an interprime number because it is at equal distance from previous prime (1202042111) and next prime (1202042113).

It is a junction number, because it is equal to n+sod(n) for n = 1202042091 and 1202042100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202042111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689562 + ... + 691302.

Almost surely, 2^1202042112 is an apocalyptic number.

1202042112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709111040).

1202042112 is an abundant number, since it is smaller than the sum of its proper divisors (2216179968).

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

1202042112 is a wasteful number, since it uses less digits than its factorization.

1202042112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1202042112 is about 34670.4789698671. The cubic root of 1202042112 is about 1063.2610241827.

Adding to 1202042112 its reverse (2112402021), we get a palindrome (3314444133).

The spelling of 1202042112 in words is "one billion, two hundred two million, forty-two thousand, one hundred twelve".