1201351512 has 64 divisors (see below), whose sum is σ = 3183757920. Its totient is φ = 376455168.

The previous prime is 1201351447. The next prime is 1201351517. The reversal of 1201351512 is 2151531021.

It is a super-2 number, since 2×1201351512² = 2886490910769372288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201351517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675168 + ... + 676944.

Almost surely, 2^1201351512 is an apocalyptic number.

1201351512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201351512 is an abundant number, since it is smaller than the sum of its proper divisors (1982406408).

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

1201351512 is a wasteful number, since it uses less digits than its factorization.

1201351512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460 (or 3456 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1201351512 is about 34660.5180572940. The cubic root of 1201351512 is about 1063.0573627850.

Adding to 1201351512 its reverse (2151531021), we get a palindrome (3352882533).

The spelling of 1201351512 in words is "one billion, two hundred one million, three hundred fifty-one thousand, five hundred twelve".