121012121121002 has 16 divisors (see below), whose sum is σ = 181601711303040. Its totient is φ = 60478223047968.

The previous prime is 121012121120983. The next prime is 121012121121077. The reversal of 121012121121002 is 200121121210121.

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, 41228399 + ... + 44065917.

It is an arithmetic number, because the mean of its divisors is an integer number (11350106956440).

Almost surely, 2^{121012121121002} is an apocalyptic number.

121012121121002 is a deficient number, since it is larger than the sum of its proper divisors (60589590182038).

121012121121002 is a wasteful number, since it uses less digits than its factorization.

121012121121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847325.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121012121121002 its reverse (200121121210121), we get a palindrome (321133242331123).

The spelling of 121012121121002 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty-one million, one hundred twenty-one thousand, two".