1212012201001 has 8 divisors (see below), whose sum is σ = 1466636613120. Its totient is φ = 977757741888.

The previous prime is 1212012200983. The next prime is 1212012201007. The reversal of 1212012201001 is 1001022102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212012201001 - 2²⁷ = 1211877983273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212012201007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5092488121 + ... + 5092488358.

It is an arithmetic number, because the mean of its divisors is an integer number (183329576640).

Almost surely, 2^{1212012201001} is an apocalyptic number.

It is an amenable number.

1212012201001 is a deficient number, since it is larger than the sum of its proper divisors (254624412119).

1212012201001 is a wasteful number, since it uses less digits than its factorization.

1212012201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184976503.

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

Adding to 1212012201001 its reverse (1001022102121), we get a palindrome (2213034303122).

The spelling of 1212012201001 in words is "one trillion, two hundred twelve billion, twelve million, two hundred one thousand, one".