121212011100202 has 32 divisors (see below), whose sum is σ = 198421861397760. Its totient is φ = 55075556301120.

The previous prime is 121212011100181. The next prime is 121212011100203. The reversal of 121212011100202 is 202001110212121.

It is not an unprimeable number, because it can be changed into a prime (121212011100203) 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, 1051135324 + ... + 1051250632.

It is an arithmetic number, because the mean of its divisors is an integer number (6200683168680).

Almost surely, 2^{121212011100202} is an apocalyptic number.

121212011100202 is a deficient number, since it is larger than the sum of its proper divisors (77209850297558).

121212011100202 is a wasteful number, since it uses less digits than its factorization.

121212011100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132958.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121212011100202 its reverse (202001110212121), we get a palindrome (323213121312323).

The spelling of 121212011100202 in words is "one hundred twenty-one trillion, two hundred twelve billion, eleven million, one hundred thousand, two hundred two".