10202121211012 has 48 divisors (see below), whose sum is σ = 19103095247040. Its totient is φ = 4753163935872.

The previous prime is 10202121210977. The next prime is 10202121211013. The reversal of 10202121211012 is 21011212120201.

10202121211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10202121211013) 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, 1790958 + ... + 4859194.

It is an arithmetic number, because the mean of its divisors is an integer number (397981150980).

Almost surely, 2^{10202121211012} is an apocalyptic number.

It is an amenable number.

10202121211012 is a deficient number, since it is larger than the sum of its proper divisors (8900974036028).

10202121211012 is a wasteful number, since it uses less digits than its factorization.

10202121211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068980 (or 3068978 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10202121211012 its reverse (21011212120201), we get a palindrome (31213333331213).

The spelling of 10202121211012 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred eleven thousand, twelve".