1213030021002 has 16 divisors (see below), whose sum is σ = 2426070972000. Its totient is φ = 404341518672.

The previous prime is 1213030020973. The next prime is 1213030021013. The reversal of 1213030021002 is 2001200303121.

It is a super-2 number, since 2×1213030021002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034624 + ... + 2562372.

It is an arithmetic number, because the mean of its divisors is an integer number (151629435750).

Almost surely, 2^{1213030021002} is an apocalyptic number.

1213030021002 is an abundant number, since it is smaller than the sum of its proper divisors (1213040950998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213030021002 is a wasteful number, since it uses less digits than its factorization.

1213030021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910837.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1213030021002 its reverse (2001200303121), we get a palindrome (3214230324123).

The spelling of 1213030021002 in words is "one trillion, two hundred thirteen billion, thirty million, twenty-one thousand, two".