121202210211212 has 48 divisors (see below), whose sum is σ = 228490922422560. Its totient is φ = 55922005698048.

The previous prime is 121202210211211. The next prime is 121202210211239. The reversal of 121202210211212 is 212112012202121.

It is not an unprimeable number, because it can be changed into a prime (121202210211211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472531239 + ... + 2472580257.

It is an arithmetic number, because the mean of its divisors is an integer number (4760227550470).

Almost surely, 2^{121202210211212} is an apocalyptic number.

It is an amenable number.

121202210211212 is a deficient number, since it is larger than the sum of its proper divisors (107288712211348).

121202210211212 is a wasteful number, since it uses less digits than its factorization.

121202210211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62922 (or 62920 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121202210211212 its reverse (212112012202121), we get a palindrome (333314222413333).

The spelling of 121202210211212 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred ten million, two hundred eleven thousand, two hundred twelve".