1012155635222 has 16 divisors (see below), whose sum is σ = 1545438258000. Its totient is φ = 497025905280.

The previous prime is 1012155635221. The next prime is 1012155635279. The reversal of 1012155635222 is 2225365512101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012155635221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3964679 + ... + 4212242.

It is an arithmetic number, because the mean of its divisors is an integer number (96589891125).

Almost surely, 2^{1012155635222} is an apocalyptic number.

1012155635222 is a deficient number, since it is larger than the sum of its proper divisors (533282622778).

1012155635222 is a wasteful number, since it uses less digits than its factorization.

1012155635222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8178031.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 1012155635222 in words is "one trillion, twelve billion, one hundred fifty-five million, six hundred thirty-five thousand, two hundred twenty-two".