10112012121210 has 32 divisors (see below), whose sum is σ = 24268971021120. Its totient is φ = 2696520795648.

The previous prime is 10112012121199. The next prime is 10112012121271. The reversal of 10112012121210 is 1212121021101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10112012121210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4783114 + ... + 6565226.

It is an arithmetic number, because the mean of its divisors is an integer number (758405344410).

Almost surely, 2^{10112012121210} is an apocalyptic number.

10112012121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10112012121210 is an abundant number, since it is smaller than the sum of its proper divisors (14156958899910).

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

10112012121210 is a wasteful number, since it uses less digits than its factorization.

10112012121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971262.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10112012121210 its reverse (1212121021101), we get a palindrome (11324133142311).

The spelling of 10112012121210 in words is "ten trillion, one hundred twelve billion, twelve million, one hundred twenty-one thousand, two hundred ten".