13100021123212 has 12 divisors (see below), whose sum is σ = 24273568551960. Its totient is φ = 6164715822656.

The previous prime is 13100021123201. The next prime is 13100021123219. The reversal of 13100021123212 is 21232112000131.

It is a super-3 number, since 3×13100021123212³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13100021123212.

It is not an unprimeable number, because it can be changed into a prime (13100021123219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96323684662 + ... + 96323684797.

It is an arithmetic number, because the mean of its divisors is an integer number (2022797379330).

Almost surely, 2^{13100021123212} is an apocalyptic number.

It is an amenable number.

13100021123212 is a deficient number, since it is larger than the sum of its proper divisors (11173547428748).

13100021123212 is a wasteful number, since it uses less digits than its factorization.

13100021123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192647369480 (or 192647369478 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13100021123212 its reverse (21232112000131), we get a palindrome (34332133123343).

The spelling of 13100021123212 in words is "thirteen trillion, one hundred billion, twenty-one million, one hundred twenty-three thousand, two hundred twelve".