3112201020 has 48 divisors (see below), whose sum is σ = 8740545408. Its totient is φ = 827407680.

The previous prime is 3112201009. The next prime is 3112201031. The reversal of 3112201020 is 201022113.

It is an interprime number because it is at equal distance from previous prime (3112201009) and next prime (3112201031).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3112200987 and 3112201005.

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, 58494 + ... + 98213.

It is an arithmetic number, because the mean of its divisors is an integer number (182094696).

Almost surely, 2^3112201020 is an apocalyptic number.

3112201020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3112201020 is an abundant number, since it is smaller than the sum of its proper divisors (5628344388).

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

3112201020 is a wasteful number, since it uses less digits than its factorization.

3112201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157050 (or 157048 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3112201020 is about 55787.1044238720. The cubic root of 3112201020 is about 1460.0101675654.

Adding to 3112201020 its reverse (201022113), we get a palindrome (3313223133).

The spelling of 3112201020 in words is "three billion, one hundred twelve million, two hundred one thousand, twenty".