1200101001212 has 12 divisors (see below), whose sum is σ = 2100253350720. Its totient is φ = 600028615296.

The previous prime is 1200101001179. The next prime is 1200101001217. The reversal of 1200101001212 is 2121001010021.

It is a super-2 number, since 2×1200101001212² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200101001193 and 1200101001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200101001217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5347637 + ... + 5567532.

It is an arithmetic number, because the mean of its divisors is an integer number (175021112560).

Almost surely, 2^{1200101001212} is an apocalyptic number.

It is an amenable number.

1200101001212 is a deficient number, since it is larger than the sum of its proper divisors (900152349508).

1200101001212 is a wasteful number, since it uses less digits than its factorization.

1200101001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10942660 (or 10942658 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200101001212 its reverse (2121001010021), we get a palindrome (3321102011233).

The spelling of 1200101001212 in words is "one trillion, two hundred billion, one hundred one million, one thousand, two hundred twelve".