1010002012122 has 64 divisors (see below), whose sum is σ = 2273689180800. Its totient is φ = 297214156800.

The previous prime is 1010002012121. The next prime is 1010002012171. The reversal of 1010002012122 is 2212102000101.

It is a junction number, because it is equal to n+sod(n) for n = 1010002012098 and 1010002012107.

It is not an unprimeable number, because it can be changed into a prime (1010002012121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2384247 + ... + 2775722.

It is an arithmetic number, because the mean of its divisors is an integer number (35526393450).

Almost surely, 2^{1010002012122} is an apocalyptic number.

1010002012122 is an abundant number, since it is smaller than the sum of its proper divisors (1263687168678).

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

1010002012122 is a wasteful number, since it uses less digits than its factorization.

1010002012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010002012122 its reverse (2212102000101), we get a palindrome (3222104012223).

The spelling of 1010002012122 in words is "one trillion, ten billion, two million, twelve thousand, one hundred twenty-two".