12020148 has 36 divisors (see below), whose sum is σ = 34725600. Its totient is φ = 3434256.

The previous prime is 12020137. The next prime is 12020161. The reversal of 12020148 is 84102021.

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 a self number, because there is not a number n which added to its sum of digits gives 12020148.

It is a congruent number.

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, 23598 + ... + 24101.

It is an arithmetic number, because the mean of its divisors is an integer number (964600).

Almost surely, 2^12020148 is an apocalyptic number.

12020148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12020148 is an abundant number, since it is smaller than the sum of its proper divisors (22705452).

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

12020148 is a wasteful number, since it uses less digits than its factorization.

12020148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47716 (or 47711 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12020148 is about 3467.0085087868. The cubic root of 12020148 is about 229.0709085473.

Adding to 12020148 its reverse (84102021), we get a palindrome (96122169).

The spelling of 12020148 in words is "twelve million, twenty thousand, one hundred forty-eight".