7202012131 has 4 divisors (see below), whose sum is σ = 7202244600. Its totient is φ = 7201779664.

The previous prime is 7202012123. The next prime is 7202012137. The reversal of 7202012131 is 1312102027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7202012131 - 2³ = 7202012123 is a prime.

It is a super-2 number, since 2×7202012131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7202012099 and 7202012108.

It is not an unprimeable number, because it can be changed into a prime (7202012137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61021 + ... + 134638.

It is an arithmetic number, because the mean of its divisors is an integer number (1800561150).

Almost surely, 2^7202012131 is an apocalyptic number.

7202012131 is a deficient number, since it is larger than the sum of its proper divisors (232469).

7202012131 is a wasteful number, since it uses less digits than its factorization.

7202012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232468.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 7202012131 is about 84864.6695097554. The cubic root of 7202012131 is about 1931.1586312649.

Adding to 7202012131 its reverse (1312102027), we get a palindrome (8514114158).

The spelling of 7202012131 in words is "seven billion, two hundred two million, twelve thousand, one hundred thirty-one".