12206021052 has 48 divisors (see below), whose sum is σ = 29032123680. Its totient is φ = 3989975808.

The previous prime is 12206020973. The next prime is 12206021083. The reversal of 12206021052 is 25012060221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974238 + ... + 1980410.

It is an arithmetic number, because the mean of its divisors is an integer number (604835910).

Almost surely, 2^12206021052 is an apocalyptic number.

12206021052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12206021052 is an abundant number, since it is smaller than the sum of its proper divisors (16826102628).

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

12206021052 is a wasteful number, since it uses less digits than its factorization.

12206021052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9342 (or 9340 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12206021052 its reverse (25012060221), we get a palindrome (37218081273).

The spelling of 12206021052 in words is "twelve billion, two hundred six million, twenty-one thousand, fifty-two".