121210012211012 has 12 divisors (see below), whose sum is σ = 212118126131436. Its totient is φ = 60604833316320.

The previous prime is 121210012211003. The next prime is 121210012211087. The reversal of 121210012211012 is 210112210012121.

It can be written as a sum of positive squares in 2 ways, for example, as 7071429734656 + 114138582476356 = 2659216^2 + 10683566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41612483 + ... + 44429930.

It is an arithmetic number, because the mean of its divisors is an integer number (17676510510953).

Almost surely, 2^{121210012211012} is an apocalyptic number.

It is an amenable number.

121210012211012 is a deficient number, since it is larger than the sum of its proper divisors (90908113920424).

121210012211012 is a wasteful number, since it uses less digits than its factorization.

121210012211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86394598 (or 86394596 counting only the distinct ones).

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

Adding to 121210012211012 its reverse (210112210012121), we get a palindrome (331322222223133).

The spelling of 121210012211012 in words is "one hundred twenty-one trillion, two hundred ten billion, twelve million, two hundred eleven thousand, twelve".