121012312030202 has 16 divisors (see below), whose sum is σ = 181768112337600. Its totient is φ = 60422944871520.

The previous prime is 121012312030189. The next prime is 121012312030213. The reversal of 121012312030202 is 202030213210121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67755302 + ... + 69518382.

It is an arithmetic number, because the mean of its divisors is an integer number (11360507021100).

Almost surely, 2^{121012312030202} is an apocalyptic number.

121012312030202 is a deficient number, since it is larger than the sum of its proper divisors (60755800307398).

121012312030202 is a wasteful number, since it uses less digits than its factorization.

121012312030202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810261.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121012312030202 its reverse (202030213210121), we get a palindrome (323042525240323).

The spelling of 121012312030202 in words is "one hundred twenty-one trillion, twelve billion, three hundred twelve million, thirty thousand, two hundred two".