121202010112 has 24 divisors (see below), whose sum is σ = 242344843650. Its totient is φ = 60601004032.

The previous prime is 121202010109. The next prime is 121202010113. The reversal of 121202010112 is 211010202121.

It can be written as a sum of positive squares in only one way, i.e., 116953056256 + 4248953856 = 341984^2 + 65184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121202010092 and 121202010101.

It is not an unprimeable number, because it can be changed into a prime (121202010113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29588287 + ... + 29592382.

Almost surely, 2^121202010112 is an apocalyptic number.

It is an amenable number.

121202010112 is a deficient number, since it is larger than the sum of its proper divisors (121142833538).

121202010112 is an frugal number, since it uses more digits than its factorization.

121202010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59180691 (or 59180671 counting only the distinct ones).

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

Adding to 121202010112 its reverse (211010202121), we get a palindrome (332212212233).

The spelling of 121202010112 in words is "one hundred twenty-one billion, two hundred two million, ten thousand, one hundred twelve".