12100162820 has 24 divisors (see below), whose sum is σ = 25511588928. Its totient is φ = 4820780000.

The previous prime is 12100162793. The next prime is 12100162847. The reversal of 12100162820 is 2826100121.

It is an interprime number because it is at equal distance from previous prime (12100162793) and next prime (12100162847).

It is a super-3 number, since 3×12100162820³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200176 + ... + 1210215.

It is an arithmetic number, because the mean of its divisors is an integer number (1062982872).

Almost surely, 2^12100162820 is an apocalyptic number.

12100162820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100162820 is an abundant number, since it is smaller than the sum of its proper divisors (13411426108).

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

12100162820 is a wasteful number, since it uses less digits than its factorization.

12100162820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410651 (or 2410649 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 12100162820 its reverse (2826100121), we get a palindrome (14926262941).

The spelling of 12100162820 in words is "twelve billion, one hundred million, one hundred sixty-two thousand, eight hundred twenty".