1213030021001 has 8 divisors (see below), whose sum is σ = 1250204672640. Its totient is φ = 1176328932048.

The previous prime is 1213030020973. The next prime is 1213030021013. The reversal of 1213030021001 is 1001200303121.

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 1213030021001 - 2¹⁰ = 1213030019977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213030021081) 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, 118385471 + ... + 118395716.

It is an arithmetic number, because the mean of its divisors is an integer number (156275584080).

Almost surely, 2^{1213030021001} is an apocalyptic number.

It is an amenable number.

1213030021001 is a deficient number, since it is larger than the sum of its proper divisors (37174651639).

1213030021001 is a wasteful number, since it uses less digits than its factorization.

1213030021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236781343.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1213030021001 its reverse (1001200303121), we get a palindrome (2214230324122).

The spelling of 1213030021001 in words is "one trillion, two hundred thirteen billion, thirty million, twenty-one thousand, one".