1012152222 has 48 divisors (see below), whose sum is σ = 2327663520. Its totient is φ = 316763136.

The previous prime is 1012152179. The next prime is 1012152277. The reversal of 1012152222 is 2222512101.

1012152222 is a `hidden beast` number, since 1 + 0 + 121 + 522 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1012152195 and 1012152204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128679 + ... + 136317.

It is an arithmetic number, because the mean of its divisors is an integer number (48492990).

Almost surely, 2^1012152222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012152222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163831760).

1012152222 is an abundant number, since it is smaller than the sum of its proper divisors (1315511298).

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

1012152222 is a wasteful number, since it uses less digits than its factorization.

1012152222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097 (or 8094 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1012152222 is about 31814.3398799975. The cubic root of 1012152222 is about 1004.0344420548.

Adding to 1012152222 its reverse (2222512101), we get a palindrome (3234664323).

The spelling of 1012152222 in words is "one billion, twelve million, one hundred fifty-two thousand, two hundred twenty-two".