1301210021202 has 128 divisors (see below), whose sum is σ = 3390188605440. Its totient is φ = 323317681920.

The previous prime is 1301210021179. The next prime is 1301210021311. The reversal of 1301210021202 is 2021200121031.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1531203 + ... + 2224185.

It is an arithmetic number, because the mean of its divisors is an integer number (26485848480).

Almost surely, 2^{1301210021202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301210021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695094302720).

1301210021202 is an abundant number, since it is smaller than the sum of its proper divisors (2088978584238).

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

1301210021202 is a wasteful number, since it uses less digits than its factorization.

1301210021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693208.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1301210021202 its reverse (2021200121031), we get a palindrome (3322410142233).

The spelling of 1301210021202 in words is "one trillion, three hundred one billion, two hundred ten million, twenty-one thousand, two hundred two".