10202011021212 has 48 divisors (see below), whose sum is σ = 23817059364000. Its totient is φ = 3398903988480.

The previous prime is 10202011021201. The next prime is 10202011021219. The reversal of 10202011021212 is 21212011020201.

It is a super-2 number, since 2×10202011021212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10202011021191 and 10202011021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202011021219) 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, 318986262 + ... + 319018242.

It is an arithmetic number, because the mean of its divisors is an integer number (496188736750).

Almost surely, 2^{10202011021212} is an apocalyptic number.

10202011021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202011021212 is an abundant number, since it is smaller than the sum of its proper divisors (13615048342788).

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

10202011021212 is a wasteful number, since it uses less digits than its factorization.

10202011021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44966 (or 44964 counting only the distinct ones).

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

Adding to 10202011021212 its reverse (21212011020201), we get a palindrome (31414022041413).

The spelling of 10202011021212 in words is "ten trillion, two hundred two billion, eleven million, twenty-one thousand, two hundred twelve".