1202001216 has 56 divisors (see below), whose sum is σ = 3424940064. Its totient is φ = 369845760.

The previous prime is 1202001211. The next prime is 1202001221. The reversal of 1202001216 is 6121002021.

It is an interprime number because it is at equal distance from previous prime (1202001211) and next prime (1202001221).

It is a junction number, because it is equal to n+sod(n) for n = 1202001195 and 1202001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202001211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238290 + ... + 243281.

It is an arithmetic number, because the mean of its divisors is an integer number (61159644).

Almost surely, 2^1202001216 is an apocalyptic number.

1202001216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1202001216 is an abundant number, since it is smaller than the sum of its proper divisors (2222938848).

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

1202001216 is a wasteful number, since it uses less digits than its factorization.

1202001216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481599 (or 481589 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1202001216 is about 34669.8891835552. The cubic root of 1202001216 is about 1063.2489659207.

Adding to 1202001216 its reverse (6121002021), we get a palindrome (7323003237).

The spelling of 1202001216 in words is "one billion, two hundred two million, one thousand, two hundred sixteen".