1012155642433 has 16 divisors (see below), whose sum is σ = 1095261027840. Its totient is φ = 929804774976.

The previous prime is 1012155642413. The next prime is 1012155642439. The reversal of 1012155642433 is 3342465512101.

1012155642433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1012155642433 - 2⁵ = 1012155642401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012155642392 and 1012155642401.

It is not an unprimeable number, because it can be changed into a prime (1012155642439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4891591 + ... + 5094307.

It is an arithmetic number, because the mean of its divisors is an integer number (68453814240).

Almost surely, 2^{1012155642433} is an apocalyptic number.

1012155642433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1012155642433 is a deficient number, since it is larger than the sum of its proper divisors (83105385407).

1012155642433 is a wasteful number, since it uses less digits than its factorization.

1012155642433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204576.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 1012155642433 in words is "one trillion, twelve billion, one hundred fifty-five million, six hundred forty-two thousand, four hundred thirty-three".