1200014600021 has 32 divisors (see below), whose sum is σ = 1351253594880. Its totient is φ = 1060110374400.

The previous prime is 1200014600003. The next prime is 1200014600047. The reversal of 1200014600021 is 1200064100021.

It is a cyclic number.

It is not a de Polignac number, because 1200014600021 - 2¹⁸ = 1200014337877 is a prime.

It is a super-2 number, since 2×1200014600021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200014600321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24575651 + ... + 24624431.

It is an arithmetic number, because the mean of its divisors is an integer number (42226674840).

Almost surely, 2^{1200014600021} is an apocalyptic number.

It is an amenable number.

1200014600021 is a deficient number, since it is larger than the sum of its proper divisors (151238994859).

1200014600021 is a wasteful number, since it uses less digits than its factorization.

1200014600021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50237.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1200014600021 its reverse (1200064100021), we get a palindrome (2400078700042).

The spelling of 1200014600021 in words is "one trillion, two hundred billion, fourteen million, six hundred thousand, twenty-one".