10202012121012 has 24 divisors (see below), whose sum is σ = 23804900949312. Its totient is φ = 3400641278400.

The previous prime is 10202012121001. The next prime is 10202012121019. The reversal of 10202012121012 is 21012121020201.

It is a junction number, because it is equal to n+sod(n) for n = 10202012120982 and 10202012121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202012121019) 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, 2210689 + ... + 5029032.

It is an arithmetic number, because the mean of its divisors is an integer number (991870872888).

Almost surely, 2^{10202012121012} is an apocalyptic number.

10202012121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202012121012 is an abundant number, since it is smaller than the sum of its proper divisors (13602888828300).

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

10202012121012 is a wasteful number, since it uses less digits than its factorization.

10202012121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357159 (or 7357157 counting only the distinct ones).

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

Adding to 10202012121012 its reverse (21012121020201), we get a palindrome (31214133141213).

The spelling of 10202012121012 in words is "ten trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, twelve".