1012122121002 has 8 divisors (see below), whose sum is σ = 2024244242016. Its totient is φ = 337374040332.

The previous prime is 1012122120959. The next prime is 1012122121009. The reversal of 1012122121002 is 2001212212101.

It is a sphenic number, since it is the product of 3 distinct primes.

1012122121002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1012122121009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84343510078 + ... + 84343510089.

It is an arithmetic number, because the mean of its divisors is an integer number (253030530252).

Almost surely, 2^{1012122121002} is an apocalyptic number.

1012122121002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1012122121002 is a wasteful number, since it uses less digits than its factorization.

1012122121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168687020172.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012122121002 its reverse (2001212212101), we get a palindrome (3013334333103).

The spelling of 1012122121002 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, two".