1121201001212 has 12 divisors (see below), whose sum is σ = 1981528502856. Its totient is φ = 555050000400.

The previous prime is 1121201001199. The next prime is 1121201001281. The reversal of 1121201001212 is 2121001021211.

It is a congruent number.

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, 1387624598 + ... + 1387625405.

It is an arithmetic number, because the mean of its divisors is an integer number (165127375238).

Almost surely, 2^{1121201001212} is an apocalyptic number.

It is an amenable number.

1121201001212 is a deficient number, since it is larger than the sum of its proper divisors (860327501644).

1121201001212 is a wasteful number, since it uses less digits than its factorization.

1121201001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775250108 (or 2775250106 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121201001212 its reverse (2121001021211), we get a palindrome (3242202022423).

The spelling of 1121201001212 in words is "one trillion, one hundred twenty-one billion, two hundred one million, one thousand, two hundred twelve".