12100021011010 has 16 divisors (see below), whose sum is σ = 21782527978176. Its totient is φ = 4839455035888.

The previous prime is 12100021010999. The next prime is 12100021011017. The reversal of 12100021011010 is 1011012000121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12100021011017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69079222 + ... + 69254161.

It is an arithmetic number, because the mean of its divisors is an integer number (1361407998636).

Almost surely, 2^{12100021011010} is an apocalyptic number.

12100021011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100021011010 is a deficient number, since it is larger than the sum of its proper divisors (9682506967166).

12100021011010 is a wasteful number, since it uses less digits than its factorization.

12100021011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138342137.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12100021011010 its reverse (1011012000121), we get a palindrome (13111033011131).

The spelling of 12100021011010 in words is "twelve trillion, one hundred billion, twenty-one million, eleven thousand, ten".