1312022215150 has 48 divisors (see below), whose sum is σ = 2539629015840. Its totient is φ = 503677731200.

The previous prime is 1312022215129. The next prime is 1312022215183. The reversal of 1312022215150 is 515122202131.

It is a happy number.

It is a super-2 number, since 2×1312022215150² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2466961 + ... + 2951260.

It is an arithmetic number, because the mean of its divisors is an integer number (52908937830).

Almost surely, 2^{1312022215150} is an apocalyptic number.

1312022215150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312022215150 is a deficient number, since it is larger than the sum of its proper divisors (1227606800690).

1312022215150 is a wasteful number, since it uses less digits than its factorization.

1312022215150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5418429 (or 5418424 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1312022215150 its reverse (515122202131), we get a palindrome (1827144417281).

The spelling of 1312022215150 in words is "one trillion, three hundred twelve billion, twenty-two million, two hundred fifteen thousand, one hundred fifty".