1201698012 has 24 divisors (see below), whose sum is σ = 2894413312. Its totient is φ = 387644400.

The previous prime is 1201698007. The next prime is 1201698019. The reversal of 1201698012 is 2108961021.

It is a happy number.

It is a super-2 number, since 2×1201698012² = 2888156224089504288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201698019) 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, 1614814 + ... + 1615557.

Almost surely, 2^1201698012 is an apocalyptic number.

1201698012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201698012 is an abundant number, since it is smaller than the sum of its proper divisors (1692715300).

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

1201698012 is a wasteful number, since it uses less digits than its factorization.

1201698012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230409 (or 3230407 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1201698012 is about 34665.5161796273. The cubic root of 1201698012 is about 1063.1595571232.

The spelling of 1201698012 in words is "one billion, two hundred one million, six hundred ninety-eight thousand, twelve".