1202011972 has 48 divisors (see below), whose sum is σ = 2556749440. Its totient is φ = 482982912.

The previous prime is 1202011927. The next prime is 1202011973. The reversal of 1202011972 is 2791102021.

It is not an unprimeable number, because it can be changed into a prime (1202011973) 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, 39958 + ... + 63250.

Almost surely, 2^1202011972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202011972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278374720).

1202011972 is an abundant number, since it is smaller than the sum of its proper divisors (1354737468).

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

1202011972 is a wasteful number, since it uses less digits than its factorization.

1202011972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23420 (or 23418 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1202011972 is about 34670.0443034041. The cubic root of 1202011972 is about 1063.2521373739.

Adding to 1202011972 its reverse (2791102021), we get a palindrome (3993113993).

The spelling of 1202011972 in words is "one billion, two hundred two million, eleven thousand, nine hundred seventy-two".