121210210010002 has 16 divisors (see below), whose sum is σ = 188113406583960. Its totient is φ = 58506376658688.

The previous prime is 121210210009981. The next prime is 121210210010023. The reversal of 121210210010002 is 200010012012121.

It is an interprime number because it is at equal distance from previous prime (121210210009981) and next prime (121210210010023).

It can be written as a sum of positive squares in 4 ways, for example, as 121206205778161 + 4004231841 = 11009369^2 + 63279^2 .

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, 158492733 + ... + 159255664.

Almost surely, 2^{121210210010002} is an apocalyptic number.

121210210010002 is a deficient number, since it is larger than the sum of its proper divisors (66903196573958).

121210210010002 is a wasteful number, since it uses less digits than its factorization.

121210210010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317755005.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121210210010002 its reverse (200010012012121), we get a palindrome (321220222022123).

The spelling of 121210210010002 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred ten million, ten thousand, two".