1022012002123 has 16 divisors (see below), whose sum is σ = 1196583220224. Its totient is φ = 854586066240.

The previous prime is 1022012002091. The next prime is 1022012002177. The reversal of 1022012002123 is 3212002102201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1022012002123 - 2⁵ = 1022012002091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1022012002097 and 1022012002106.

It is not an unprimeable number, because it can be changed into a prime (1022012002523) 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, 4400436 + ... + 4626862.

It is an arithmetic number, because the mean of its divisors is an integer number (74786451264).

Almost surely, 2^{1022012002123} is an apocalyptic number.

1022012002123 is a deficient number, since it is larger than the sum of its proper divisors (174571218101).

1022012002123 is a wasteful number, since it uses less digits than its factorization.

1022012002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242202.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1022012002123 its reverse (3212002102201), we get a palindrome (4234014104324).

The spelling of 1022012002123 in words is "one trillion, twenty-two billion, twelve million, two thousand, one hundred twenty-three".