1202940312 has 128 divisors (see below), whose sum is σ = 3638131200. Its totient is φ = 323785728.

The previous prime is 1202940289. The next prime is 1202940353. The reversal of 1202940312 is 2130492021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627868 + ... + 629780.

It is an arithmetic number, because the mean of its divisors is an integer number (28422900).

Almost surely, 2^1202940312 is an apocalyptic number.

1202940312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202940312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819065600).

1202940312 is an abundant number, since it is smaller than the sum of its proper divisors (2435190888).

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

1202940312 is a wasteful number, since it uses less digits than its factorization.

1202940312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1202940312 is about 34683.4299341919. The cubic root of 1202940312 is about 1063.5257911899.

The spelling of 1202940312 in words is "one billion, two hundred two million, nine hundred forty thousand, three hundred twelve".