1201838412 has 48 divisors (see below), whose sum is σ = 2997614592. Its totient is φ = 373845120.

The previous prime is 1201838377. The next prime is 1201838413. The reversal of 1201838412 is 2148381021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201838412.

It is not an unprimeable number, because it can be changed into a prime (1201838413) 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, 41788 + ... + 64419.

It is an arithmetic number, because the mean of its divisors is an integer number (62450304).

Almost surely, 2^1201838412 is an apocalyptic number.

1201838412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201838412 is an abundant number, since it is smaller than the sum of its proper divisors (1795776180).

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

1201838412 is a wasteful number, since it uses less digits than its factorization.

1201838412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106278 (or 106276 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1201838412 is about 34667.5411876874. The cubic root of 1201838412 is about 1063.2009601456.

The spelling of 1201838412 in words is "one billion, two hundred one million, eight hundred thirty-eight thousand, four hundred twelve".