1201020021219 has 8 divisors (see below), whose sum is σ = 1615531356432. Its totient is φ = 793594350080.

The previous prime is 1201020021169. The next prime is 1201020021263. The reversal of 1201020021219 is 9121200201021.

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 1201020021219 - 2¹² = 1201020017123 is a prime.

It is a super-2 number, since 2×1201020021219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201020021195 and 1201020021204.

It is not an unprimeable number, because it can be changed into a prime (1201020022219) 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, 1771415622 + ... + 1771416299.

It is an arithmetic number, because the mean of its divisors is an integer number (201941419554).

Almost surely, 2^{1201020021219} is an apocalyptic number.

1201020021219 is a deficient number, since it is larger than the sum of its proper divisors (414511335213).

1201020021219 is a wasteful number, since it uses less digits than its factorization.

1201020021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542832037.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1201020021219 in words is "one trillion, two hundred one billion, twenty million, twenty-one thousand, two hundred nineteen".