7021270261212 has 24 divisors (see below), whose sum is σ = 16947893734800. Its totient is φ = 2259719164416.

The previous prime is 7021270261211. The next prime is 7021270261231. The reversal of 7021270261212 is 2121620721207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7021270261211) 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, 10088031637 + ... + 10088032332.

It is an arithmetic number, because the mean of its divisors is an integer number (706162238950).

Almost surely, 2^{7021270261212} is an apocalyptic number.

It is an amenable number.

7021270261212 is an abundant number, since it is smaller than the sum of its proper divisors (9926623473588).

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

7021270261212 is a wasteful number, since it uses less digits than its factorization.

7021270261212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20176064005 (or 20176064003 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 7021270261212 its reverse (2121620721207), we get a palindrome (9142890982419).

The spelling of 7021270261212 in words is "seven trillion, twenty-one billion, two hundred seventy million, two hundred sixty-one thousand, two hundred twelve".