1201769712 has 240 divisors, whose sum is σ = 4184919648. Its totient is φ = 316293120.

The previous prime is 1201769693. The next prime is 1201769713. The reversal of 1201769712 is 2179671021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201769713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348348 + ... + 351780.

Almost surely, 2^1201769712 is an apocalyptic number.

1201769712 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 1201769712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2092459824).

1201769712 is an abundant number, since it is smaller than the sum of its proper divisors (2983149936).

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

1201769712 is a wasteful number, since it uses less digits than its factorization.

1201769712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488 (or 3479 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 1201769712 is about 34666.5503331381. The cubic root of 1201769712 is about 1063.1807013773.

The spelling of 1201769712 in words is "one billion, two hundred one million, seven hundred sixty-nine thousand, seven hundred twelve".