10202202021012 has 12 divisors (see below), whose sum is σ = 23805138049056. Its totient is φ = 3400734007000.

The previous prime is 10202202021007. The next prime is 10202202021013. The reversal of 10202202021012 is 21012020220201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 10202202020982 and 10202202021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202202021013) 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, 425091750864 + ... + 425091750887.

It is an arithmetic number, because the mean of its divisors is an integer number (1983761504088).

Almost surely, 2^{10202202021012} is an apocalyptic number.

10202202021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202202021012 is an abundant number, since it is smaller than the sum of its proper divisors (13602936028044).

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

10202202021012 is a wasteful number, since it uses less digits than its factorization.

10202202021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850183501758 (or 850183501756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10202202021012 its reverse (21012020220201), we get a palindrome (31214222241213).

The spelling of 10202202021012 in words is "ten trillion, two hundred two billion, two hundred two million, twenty-one thousand, twelve".