12101211212203 has 16 divisors (see below), whose sum is σ = 12861182423520. Its totient is φ = 11346591684096.

The previous prime is 12101211212179. The next prime is 12101211212239. The reversal of 12101211212203 is 30221211210121.

It is a cyclic number.

It is not a de Polignac number, because 12101211212203 - 2⁵ = 12101211212171 is a prime.

It is a super-2 number, since 2×12101211212203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12101211212273) 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, 210452725 + ... + 210510217.

It is an arithmetic number, because the mean of its divisors is an integer number (803823901470).

Almost surely, 2^{12101211212203} is an apocalyptic number.

12101211212203 is a deficient number, since it is larger than the sum of its proper divisors (759971211317).

12101211212203 is a wasteful number, since it uses less digits than its factorization.

12101211212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103806.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12101211212203 its reverse (30221211210121), we get a palindrome (42322422422324).

The spelling of 12101211212203 in words is "twelve trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand, two hundred three".