2170012152 has 128 divisors (see below), whose sum is σ = 6982041600. Its totient is φ = 545443200.

The previous prime is 2170012093. The next prime is 2170012177. The reversal of 2170012152 is 2512100712.

It is a super-2 number, since 2×2170012152² = 9417905479655342208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38349 + ... + 76227.

It is an arithmetic number, because the mean of its divisors is an integer number (54547200).

Almost surely, 2^2170012152 is an apocalyptic number.

2170012152 is a gapful number since it is divisible by the number (22) 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 2170012152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3491020800).

2170012152 is an abundant number, since it is smaller than the sum of its proper divisors (4812029448).

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

2170012152 is a wasteful number, since it uses less digits than its factorization.

2170012152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37937 (or 37933 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 2170012152 is about 46583.3892283505. The cubic root of 2170012152 is about 1294.6550070607.

Adding to 2170012152 its reverse (2512100712), we get a palindrome (4682112864).

The spelling of 2170012152 in words is "two billion, one hundred seventy million, twelve thousand, one hundred fifty-two".