10020121101012 has 48 divisors (see below), whose sum is σ = 25758295141824. Its totient is φ = 3006336960000.

The previous prime is 10020121100989. The next prime is 10020121101037. The reversal of 10020121101012 is 21010112102001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375778789 + ... + 375805452.

It is an arithmetic number, because the mean of its divisors is an integer number (536631148788).

Almost surely, 2^{10020121101012} is an apocalyptic number.

10020121101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10020121101012 is an abundant number, since it is smaller than the sum of its proper divisors (15738174040812).

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

10020121101012 is a wasteful number, since it uses less digits than its factorization.

10020121101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751584360 (or 751584358 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10020121101012 its reverse (21010112102001), we get a palindrome (31030233203013).

The spelling of 10020121101012 in words is "ten trillion, twenty billion, one hundred twenty-one million, one hundred one thousand, twelve".