1202112120212 has 6 divisors (see below), whose sum is σ = 2103696210378. Its totient is φ = 601056060104.

The previous prime is 1202112120193. The next prime is 1202112120239. The reversal of 1202112120212 is 2120212112021.

It can be written as a sum of positive squares in only one way, i.e., 852826392196 + 349285728016 = 923486^2 + 591004^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150264015023 + ... + 150264015030.

It is an arithmetic number, because the mean of its divisors is an integer number (350616035063).

Almost surely, 2^{1202112120212} is an apocalyptic number.

It is an amenable number.

1202112120212 is a deficient number, since it is larger than the sum of its proper divisors (901584090166).

1202112120212 is a wasteful number, since it uses less digits than its factorization.

1202112120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300528030057 (or 300528030055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202112120212 its reverse (2120212112021), we get a palindrome (3322324232233).

The spelling of 1202112120212 in words is "one trillion, two hundred two billion, one hundred twelve million, one hundred twenty thousand, two hundred twelve".