1220002030131 has 32 divisors (see below), whose sum is σ = 1648926720000. Its totient is φ = 802252459008.

The previous prime is 1220002030129. The next prime is 1220002030229. The reversal of 1220002030131 is 1310302000221.

It is not a de Polignac number, because 1220002030131 - 2¹ = 1220002030129 is a prime.

It is a super-2 number, since 2×1220002030131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220002030131.

It is not an unprimeable number, because it can be changed into a prime (1220002032131) 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, 340495566 + ... + 340499148.

It is an arithmetic number, because the mean of its divisors is an integer number (51528960000).

Almost surely, 2^{1220002030131} is an apocalyptic number.

1220002030131 is a deficient number, since it is larger than the sum of its proper divisors (428924689869).

1220002030131 is a wasteful number, since it uses less digits than its factorization.

1220002030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6403.

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

Adding to 1220002030131 its reverse (1310302000221), we get a palindrome (2530304030352).

The spelling of 1220002030131 in words is "one trillion, two hundred twenty billion, two million, thirty thousand, one hundred thirty-one".